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Finding the Fourth Proportional to 288,545.37, 434,787.59 and 237,107.13

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Solution

The fourth proportional to 288,545.37, 434,787.59 and 237,107.13 is: 357,279.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,545.37 : 434,787.59 = 237,107.13 : x
  2. Step 2: Convert to fraction form
    288,545.37/434,787.59 = 237,107.13/x
  3. Step 3: Cross multiply
    288,545.37x = 434,787.59 × 237,107.13
  4. Step 4: Simplify right side
    288,545.37x = 103,091,237,624.52
  5. Step 5: Solve for x
    x = 103,091,237,624.52/288,545.37
  6. Step 6: Final answer
    x = 357,279.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.