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Finding the Fourth Proportional to 284,808.96, 393,025.77 and 157,486.68

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Solution

The fourth proportional to 284,808.96, 393,025.77 and 157,486.68 is: 217,325.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,808.96 : 393,025.77 = 157,486.68 : x
  2. Step 2: Convert to fraction form
    284,808.96/393,025.77 = 157,486.68/x
  3. Step 3: Cross multiply
    284,808.96x = 393,025.77 × 157,486.68
  4. Step 4: Simplify right side
    284,808.96x = 61,896,323,671.74
  5. Step 5: Solve for x
    x = 61,896,323,671.74/284,808.96
  6. Step 6: Final answer
    x = 217,325.76

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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.