Home / 381,381.45-526,271.61-226,306.02

Finding the Fourth Proportional to 381,381.45, 526,271.61 and 226,306.02

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Solution

The fourth proportional to 381,381.45, 526,271.61 and 226,306.02 is: 312,281.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,381.45 : 526,271.61 = 226,306.02 : x
  2. Step 2: Convert to fraction form
    381,381.45/526,271.61 = 226,306.02/x
  3. Step 3: Cross multiply
    381,381.45x = 526,271.61 × 226,306.02
  4. Step 4: Simplify right side
    381,381.45x = 119,098,433,498.09
  5. Step 5: Solve for x
    x = 119,098,433,498.09/381,381.45
  6. Step 6: Final answer
    x = 312,281.66

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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.