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Finding the Fourth Proportional to 538,815.06, 808,222.59 and 239,225.22

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Solution

The fourth proportional to 538,815.06, 808,222.59 and 239,225.22 is: 358,837.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,815.06 : 808,222.59 = 239,225.22 : x
  2. Step 2: Convert to fraction form
    538,815.06/808,222.59 = 239,225.22/x
  3. Step 3: Cross multiply
    538,815.06x = 808,222.59 × 239,225.22
  4. Step 4: Simplify right side
    538,815.06x = 193,347,226,901.72
  5. Step 5: Solve for x
    x = 193,347,226,901.72/538,815.06
  6. Step 6: Final answer
    x = 358,837.83

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.