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Finding the Fourth Proportional to 284,299.68, 426,300.48 and 141,992.40

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Solution

The fourth proportional to 284,299.68, 426,300.48 and 141,992.40 is: 212,914.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,299.68 : 426,300.48 = 141,992.40 : x
  2. Step 2: Convert to fraction form
    284,299.68/426,300.48 = 141,992.40/x
  3. Step 3: Cross multiply
    284,299.68x = 426,300.48 × 141,992.40
  4. Step 4: Simplify right side
    284,299.68x = 60,531,428,276.35
  5. Step 5: Solve for x
    x = 60,531,428,276.35/284,299.68
  6. Step 6: Final answer
    x = 212,914.16

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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.