Home / 498,931.01-748,385.90-161,971.17

Finding the Fourth Proportional to 498,931.01, 748,385.90 and 161,971.17

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Solution

The fourth proportional to 498,931.01, 748,385.90 and 161,971.17 is: 242,953.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,931.01 : 748,385.90 = 161,971.17 : x
  2. Step 2: Convert to fraction form
    498,931.01/748,385.90 = 161,971.17/x
  3. Step 3: Cross multiply
    498,931.01x = 748,385.90 × 161,971.17
  4. Step 4: Simplify right side
    498,931.01x = 121,216,939,024.65
  5. Step 5: Solve for x
    x = 121,216,939,024.65/498,931.01
  6. Step 6: Final answer
    x = 242,953.31

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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.