Home / 498,917.92-748,909.70-214,749.22

Finding the Fourth Proportional to 498,917.92, 748,909.70 and 214,749.22

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Solution

The fourth proportional to 498,917.92, 748,909.70 and 214,749.22 is: 322,353.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,917.92 : 748,909.70 = 214,749.22 : x
  2. Step 2: Convert to fraction form
    498,917.92/748,909.70 = 214,749.22/x
  3. Step 3: Cross multiply
    498,917.92x = 748,909.70 × 214,749.22
  4. Step 4: Simplify right side
    498,917.92x = 160,827,773,341.84
  5. Step 5: Solve for x
    x = 160,827,773,341.84/498,917.92
  6. Step 6: Final answer
    x = 322,353.17

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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.