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Finding the Fourth Proportional to 530,166.36, 795,275.80 and 151,142.93

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Solution

The fourth proportional to 530,166.36, 795,275.80 and 151,142.93 is: 226,721.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,166.36 : 795,275.80 = 151,142.93 : x
  2. Step 2: Convert to fraction form
    530,166.36/795,275.80 = 151,142.93/x
  3. Step 3: Cross multiply
    530,166.36x = 795,275.80 × 151,142.93
  4. Step 4: Simplify right side
    530,166.36x = 120,200,314,048.32
  5. Step 5: Solve for x
    x = 120,200,314,048.32/530,166.36
  6. Step 6: Final answer
    x = 226,721.88

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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.