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Finding the Fourth Proportional to 284,314.60, 426,267.10 and 159,693.80

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Solution

The fourth proportional to 284,314.60, 426,267.10 and 159,693.80 is: 239,425.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,314.60 : 426,267.10 = 159,693.80 : x
  2. Step 2: Convert to fraction form
    284,314.60/426,267.10 = 159,693.80/x
  3. Step 3: Cross multiply
    284,314.60x = 426,267.10 × 159,693.80
  4. Step 4: Simplify right side
    284,314.60x = 68,072,213,013.98
  5. Step 5: Solve for x
    x = 68,072,213,013.98/284,314.60
  6. Step 6: Final answer
    x = 239,425.67

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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.