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Finding the Fourth Proportional to 284,348.63, 392,528.82 and 187,609.42

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Solution

The fourth proportional to 284,348.63, 392,528.82 and 187,609.42 is: 258,985.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,348.63 : 392,528.82 = 187,609.42 : x
  2. Step 2: Convert to fraction form
    284,348.63/392,528.82 = 187,609.42/x
  3. Step 3: Cross multiply
    284,348.63x = 392,528.82 × 187,609.42
  4. Step 4: Simplify right side
    284,348.63x = 73,642,104,253.48
  5. Step 5: Solve for x
    x = 73,642,104,253.48/284,348.63
  6. Step 6: Final answer
    x = 258,985.26

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1.5x scale

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.