Home / 424,623.60-636,935.40-235,666.80

Finding the Fourth Proportional to 424,623.60, 636,935.40 and 235,666.80

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Solution

The fourth proportional to 424,623.60, 636,935.40 and 235,666.80 is: 353,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,623.60 : 636,935.40 = 235,666.80 : x
  2. Step 2: Convert to fraction form
    424,623.60/636,935.40 = 235,666.80/x
  3. Step 3: Cross multiply
    424,623.60x = 636,935.40 × 235,666.80
  4. Step 4: Simplify right side
    424,623.60x = 150,104,527,524.72
  5. Step 5: Solve for x
    x = 150,104,527,524.72/424,623.60
  6. Step 6: Final answer
    x = 353,500.20

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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.