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Finding the Fourth Proportional to 171,393.80, 256,572.30 and 152,731.40

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Solution

The fourth proportional to 171,393.80, 256,572.30 and 152,731.40 is: 228,635.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,393.80 : 256,572.30 = 152,731.40 : x
  2. Step 2: Convert to fraction form
    171,393.80/256,572.30 = 152,731.40/x
  3. Step 3: Cross multiply
    171,393.80x = 256,572.30 × 152,731.40
  4. Step 4: Simplify right side
    171,393.80x = 39,186,646,580.22
  5. Step 5: Solve for x
    x = 39,186,646,580.22/171,393.80
  6. Step 6: Final answer
    x = 228,635.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.