Home / 284,601.75-392,756.04-155,548.20

Finding the Fourth Proportional to 284,601.75, 392,756.04 and 155,548.20

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Solution

The fourth proportional to 284,601.75, 392,756.04 and 155,548.20 is: 214,659.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,601.75 : 392,756.04 = 155,548.20 : x
  2. Step 2: Convert to fraction form
    284,601.75/392,756.04 = 155,548.20/x
  3. Step 3: Cross multiply
    284,601.75x = 392,756.04 × 155,548.20
  4. Step 4: Simplify right side
    284,601.75x = 61,092,495,061.13
  5. Step 5: Solve for x
    x = 61,092,495,061.13/284,601.75
  6. Step 6: Final answer
    x = 214,659.59

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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.