Home / 443,475.08-611,981.94-252,515.72

Finding the Fourth Proportional to 443,475.08, 611,981.94 and 252,515.72

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Solution

The fourth proportional to 443,475.08, 611,981.94 and 252,515.72 is: 348,463.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,475.08 : 611,981.94 = 252,515.72 : x
  2. Step 2: Convert to fraction form
    443,475.08/611,981.94 = 252,515.72/x
  3. Step 3: Cross multiply
    443,475.08x = 611,981.94 × 252,515.72
  4. Step 4: Simplify right side
    443,475.08x = 154,535,060,206.10
  5. Step 5: Solve for x
    x = 154,535,060,206.10/443,475.08
  6. Step 6: Final answer
    x = 348,463.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.