Home / 641,656.92-962,535.06-215,195.16

Finding the Fourth Proportional to 641,656.92, 962,535.06 and 215,195.16

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Solution

The fourth proportional to 641,656.92, 962,535.06 and 215,195.16 is: 322,809.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,656.92 : 962,535.06 = 215,195.16 : x
  2. Step 2: Convert to fraction form
    641,656.92/962,535.06 = 215,195.16/x
  3. Step 3: Cross multiply
    641,656.92x = 962,535.06 × 215,195.16
  4. Step 4: Simplify right side
    641,656.92x = 207,132,886,242.31
  5. Step 5: Solve for x
    x = 207,132,886,242.31/641,656.92
  6. Step 6: Final answer
    x = 322,809.40

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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.