Home / 257,251.06-385,886.85-70,262.02

Finding the Fourth Proportional to 257,251.06, 385,886.85 and 70,262.02

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Solution

The fourth proportional to 257,251.06, 385,886.85 and 70,262.02 is: 105,395.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,251.06 : 385,886.85 = 70,262.02 : x
  2. Step 2: Convert to fraction form
    257,251.06/385,886.85 = 70,262.02/x
  3. Step 3: Cross multiply
    257,251.06x = 385,886.85 × 70,262.02
  4. Step 4: Simplify right side
    257,251.06x = 27,113,189,572.44
  5. Step 5: Solve for x
    x = 27,113,189,572.44/257,251.06
  6. Step 6: Final answer
    x = 105,395.83

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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.