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Finding the Fourth Proportional to 240,234.92, 360,569.69 and 128,009.91

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Solution

The fourth proportional to 240,234.92, 360,569.69 and 128,009.91 is: 192,130.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,234.92 : 360,569.69 = 128,009.91 : x
  2. Step 2: Convert to fraction form
    240,234.92/360,569.69 = 128,009.91/x
  3. Step 3: Cross multiply
    240,234.92x = 360,569.69 × 128,009.91
  4. Step 4: Simplify right side
    240,234.92x = 46,156,493,565.63
  5. Step 5: Solve for x
    x = 46,156,493,565.63/240,234.92
  6. Step 6: Final answer
    x = 192,130.66

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1.5x scale

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.