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Finding the Fourth Proportional to 369,520.30, 554,499.15 and 243,524.80

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Solution

The fourth proportional to 369,520.30, 554,499.15 and 243,524.80 is: 365,431.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,520.30 : 554,499.15 = 243,524.80 : x
  2. Step 2: Convert to fraction form
    369,520.30/554,499.15 = 243,524.80/x
  3. Step 3: Cross multiply
    369,520.30x = 554,499.15 × 243,524.80
  4. Step 4: Simplify right side
    369,520.30x = 135,034,294,603.92
  5. Step 5: Solve for x
    x = 135,034,294,603.92/369,520.30
  6. Step 6: Final answer
    x = 365,431.33

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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.