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Finding the Fourth Proportional to 284,347.63, 392,527.44 and 187,608.42

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Solution

The fourth proportional to 284,347.63, 392,527.44 and 187,608.42 is: 258,983.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,347.63 : 392,527.44 = 187,608.42 : x
  2. Step 2: Convert to fraction form
    284,347.63/392,527.44 = 187,608.42/x
  3. Step 3: Cross multiply
    284,347.63x = 392,527.44 × 187,608.42
  4. Step 4: Simplify right side
    284,347.63x = 73,641,452,825.04
  5. Step 5: Solve for x
    x = 73,641,452,825.04/284,347.63
  6. Step 6: Final answer
    x = 258,983.88

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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.