Home / 296,450.30-409,337.28-273,780.98

Finding the Fourth Proportional to 296,450.30, 409,337.28 and 273,780.98

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Solution

The fourth proportional to 296,450.30, 409,337.28 and 273,780.98 is: 378,035.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,450.30 : 409,337.28 = 273,780.98 : x
  2. Step 2: Convert to fraction form
    296,450.30/409,337.28 = 273,780.98/x
  3. Step 3: Cross multiply
    296,450.30x = 409,337.28 × 273,780.98
  4. Step 4: Simplify right side
    296,450.30x = 112,068,761,668.93
  5. Step 5: Solve for x
    x = 112,068,761,668.93/296,450.30
  6. Step 6: Final answer
    x = 378,035.58

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1.5x scale

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.