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Finding the Fourth Proportional to 284,170.76, 426,444.38 and 156,176.42

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Solution

The fourth proportional to 284,170.76, 426,444.38 and 156,176.42 is: 234,368.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,170.76 : 426,444.38 = 156,176.42 : x
  2. Step 2: Convert to fraction form
    284,170.76/426,444.38 = 156,176.42/x
  3. Step 3: Cross multiply
    284,170.76x = 426,444.38 × 156,176.42
  4. Step 4: Simplify right side
    284,170.76x = 66,600,558,054.07
  5. Step 5: Solve for x
    x = 66,600,558,054.07/284,170.76
  6. Step 6: Final answer
    x = 234,368.09

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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.