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Finding the Fourth Proportional to 242,930.58, 364,395.87 and 85,158.96

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Solution

The fourth proportional to 242,930.58, 364,395.87 and 85,158.96 is: 127,738.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,930.58 : 364,395.87 = 85,158.96 : x
  2. Step 2: Convert to fraction form
    242,930.58/364,395.87 = 85,158.96/x
  3. Step 3: Cross multiply
    242,930.58x = 364,395.87 × 85,158.96
  4. Step 4: Simplify right side
    242,930.58x = 31,031,573,317.50
  5. Step 5: Solve for x
    x = 31,031,573,317.50/242,930.58
  6. Step 6: Final answer
    x = 127,738.44

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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.