Home / 284,742.61-392,927.93-157,410.61

Finding the Fourth Proportional to 284,742.61, 392,927.93 and 157,410.61

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Solution

The fourth proportional to 284,742.61, 392,927.93 and 157,410.61 is: 217,217.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,742.61 : 392,927.93 = 157,410.61 : x
  2. Step 2: Convert to fraction form
    284,742.61/392,927.93 = 157,410.61/x
  3. Step 3: Cross multiply
    284,742.61x = 392,927.93 × 157,410.61
  4. Step 4: Simplify right side
    284,742.61x = 61,851,023,377.96
  5. Step 5: Solve for x
    x = 61,851,023,377.96/284,742.61
  6. Step 6: Final answer
    x = 217,217.31

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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.