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Finding the Fourth Proportional to 400,257.92, 600,088.80 and 242,448.32

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Solution

The fourth proportional to 400,257.92, 600,088.80 and 242,448.32 is: 363,491.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,257.92 : 600,088.80 = 242,448.32 : x
  2. Step 2: Convert to fraction form
    400,257.92/600,088.80 = 242,448.32/x
  3. Step 3: Cross multiply
    400,257.92x = 600,088.80 × 242,448.32
  4. Step 4: Simplify right side
    400,257.92x = 145,490,521,410.82
  5. Step 5: Solve for x
    x = 145,490,521,410.82/400,257.92
  6. Step 6: Final answer
    x = 363,491.92

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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.