Home / 499,091.80-748,734.90-144,117.40

Finding the Fourth Proportional to 499,091.80, 748,734.90 and 144,117.40

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Solution

The fourth proportional to 499,091.80, 748,734.90 and 144,117.40 is: 216,204.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,091.80 : 748,734.90 = 144,117.40 : x
  2. Step 2: Convert to fraction form
    499,091.80/748,734.90 = 144,117.40/x
  3. Step 3: Cross multiply
    499,091.80x = 748,734.90 × 144,117.40
  4. Step 4: Simplify right side
    499,091.80x = 107,905,727,077.26
  5. Step 5: Solve for x
    x = 107,905,727,077.26/499,091.80
  6. Step 6: Final answer
    x = 216,204.17

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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.