Home / 284,583.98-392,731.07-155,527.92

Finding the Fourth Proportional to 284,583.98, 392,731.07 and 155,527.92

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Solution

The fourth proportional to 284,583.98, 392,731.07 and 155,527.92 is: 214,631.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,583.98 : 392,731.07 = 155,527.92 : x
  2. Step 2: Convert to fraction form
    284,583.98/392,731.07 = 155,527.92/x
  3. Step 3: Cross multiply
    284,583.98x = 392,731.07 × 155,527.92
  4. Step 4: Simplify right side
    284,583.98x = 61,080,645,658.83
  5. Step 5: Solve for x
    x = 61,080,645,658.83/284,583.98
  6. Step 6: Final answer
    x = 214,631.35

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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.