Home / 692,155.92-1,038,227.70-218,841.45

Finding the Fourth Proportional to 692,155.92, 1,038,227.70 and 218,841.45

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Solution

The fourth proportional to 692,155.92, 1,038,227.70 and 218,841.45 is: 328,260.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,155.92 : 1,038,227.70 = 218,841.45 : x
  2. Step 2: Convert to fraction form
    692,155.92/1,038,227.70 = 218,841.45/x
  3. Step 3: Cross multiply
    692,155.92x = 1,038,227.70 × 218,841.45
  4. Step 4: Simplify right side
    692,155.92x = 227,207,255,298.17
  5. Step 5: Solve for x
    x = 227,207,255,298.17/692,155.92
  6. Step 6: Final answer
    x = 328,260.22

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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.