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Finding the Fourth Proportional to 350,501.60, 525,752.40 and 266,520.80

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Solution

The fourth proportional to 350,501.60, 525,752.40 and 266,520.80 is: 399,781.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,501.60 : 525,752.40 = 266,520.80 : x
  2. Step 2: Convert to fraction form
    350,501.60/525,752.40 = 266,520.80/x
  3. Step 3: Cross multiply
    350,501.60x = 525,752.40 × 266,520.80
  4. Step 4: Simplify right side
    350,501.60x = 140,123,950,249.92
  5. Step 5: Solve for x
    x = 140,123,950,249.92/350,501.60
  6. Step 6: Final answer
    x = 399,781.20

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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.