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Finding the Fourth Proportional to 538,525.90, 807,788.85 and 159,460.30

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Solution

The fourth proportional to 538,525.90, 807,788.85 and 159,460.30 is: 239,190.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,525.90 : 807,788.85 = 159,460.30 : x
  2. Step 2: Convert to fraction form
    538,525.90/807,788.85 = 159,460.30/x
  3. Step 3: Cross multiply
    538,525.90x = 807,788.85 × 159,460.30
  4. Step 4: Simplify right side
    538,525.90x = 128,810,252,357.66
  5. Step 5: Solve for x
    x = 128,810,252,357.66/538,525.90
  6. Step 6: Final answer
    x = 239,190.45

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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.