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Finding the Fourth Proportional to 284,490.32, 427,003.32 and 144,349.52

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Solution

The fourth proportional to 284,490.32, 427,003.32 and 144,349.52 is: 216,660.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,490.32 : 427,003.32 = 144,349.52 : x
  2. Step 2: Convert to fraction form
    284,490.32/427,003.32 = 144,349.52/x
  3. Step 3: Cross multiply
    284,490.32x = 427,003.32 × 144,349.52
  4. Step 4: Simplify right side
    284,490.32x = 61,637,724,280.41
  5. Step 5: Solve for x
    x = 61,637,724,280.41/284,490.32
  6. Step 6: Final answer
    x = 216,660.18

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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.