Home / 284,760.40-392,977.26-157,444.18

Finding the Fourth Proportional to 284,760.40, 392,977.26 and 157,444.18

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Solution

The fourth proportional to 284,760.40, 392,977.26 and 157,444.18 is: 217,277.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,760.40 : 392,977.26 = 157,444.18 : x
  2. Step 2: Convert to fraction form
    284,760.40/392,977.26 = 157,444.18/x
  3. Step 3: Cross multiply
    284,760.40x = 392,977.26 × 157,444.18
  4. Step 4: Simplify right side
    284,760.40x = 61,871,982,459.35
  5. Step 5: Solve for x
    x = 61,871,982,459.35/284,760.40
  6. Step 6: Final answer
    x = 217,277.34

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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.