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Finding the Fourth Proportional to 284,811, 426,937.05 and 158,511.75

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Solution

The fourth proportional to 284,811, 426,937.05 and 158,511.75 is: 237,612.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,811 : 426,937.05 = 158,511.75 : x
  2. Step 2: Convert to fraction form
    284,811/426,937.05 = 158,511.75/x
  3. Step 3: Cross multiply
    284,811x = 426,937.05 × 158,511.75
  4. Step 4: Simplify right side
    284,811x = 67,674,538,935.34
  5. Step 5: Solve for x
    x = 67,674,538,935.34/284,811
  6. Step 6: Final answer
    x = 237,612.10

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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.