Home / 287,140.24-430,798.62-146,997.28

Finding the Fourth Proportional to 287,140.24, 430,798.62 and 146,997.28

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Solution

The fourth proportional to 287,140.24, 430,798.62 and 146,997.28 is: 220,541.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,140.24 : 430,798.62 = 146,997.28 : x
  2. Step 2: Convert to fraction form
    287,140.24/430,798.62 = 146,997.28/x
  3. Step 3: Cross multiply
    287,140.24x = 430,798.62 × 146,997.28
  4. Step 4: Simplify right side
    287,140.24x = 63,326,225,367.75
  5. Step 5: Solve for x
    x = 63,326,225,367.75/287,140.24
  6. Step 6: Final answer
    x = 220,541.10

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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.