Home / 287,372.50-396,545.65-160,059.94

Finding the Fourth Proportional to 287,372.50, 396,545.65 and 160,059.94

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Solution

The fourth proportional to 287,372.50, 396,545.65 and 160,059.94 is: 220,866.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,372.50 : 396,545.65 = 160,059.94 : x
  2. Step 2: Convert to fraction form
    287,372.50/396,545.65 = 160,059.94/x
  3. Step 3: Cross multiply
    287,372.50x = 396,545.65 × 160,059.94
  4. Step 4: Simplify right side
    287,372.50x = 63,471,072,946.26
  5. Step 5: Solve for x
    x = 63,471,072,946.26/287,372.50
  6. Step 6: Final answer
    x = 220,866.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.