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Finding the Fourth Proportional to 356,703.60, 534,180.60 and 237,730.80

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Solution

The fourth proportional to 356,703.60, 534,180.60 and 237,730.80 is: 356,013.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,703.60 : 534,180.60 = 237,730.80 : x
  2. Step 2: Convert to fraction form
    356,703.60/534,180.60 = 237,730.80/x
  3. Step 3: Cross multiply
    356,703.60x = 534,180.60 × 237,730.80
  4. Step 4: Simplify right side
    356,703.60x = 126,991,181,382.48
  5. Step 5: Solve for x
    x = 126,991,181,382.48/356,703.60
  6. Step 6: Final answer
    x = 356,013.18

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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.