Home / 284,760.39-392,977.26-157,444.20

Finding the Fourth Proportional to 284,760.39, 392,977.26 and 157,444.20

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Solution

The fourth proportional to 284,760.39, 392,977.26 and 157,444.20 is: 217,277.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,760.39 : 392,977.26 = 157,444.20 : x
  2. Step 2: Convert to fraction form
    284,760.39/392,977.26 = 157,444.20/x
  3. Step 3: Cross multiply
    284,760.39x = 392,977.26 × 157,444.20
  4. Step 4: Simplify right side
    284,760.39x = 61,871,990,318.89
  5. Step 5: Solve for x
    x = 61,871,990,318.89/284,760.39
  6. Step 6: Final answer
    x = 217,277.38

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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.