Home / 242,479.24-334,631.78-135,049.32

Finding the Fourth Proportional to 242,479.24, 334,631.78 and 135,049.32

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Solution

The fourth proportional to 242,479.24, 334,631.78 and 135,049.32 is: 186,373.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,479.24 : 334,631.78 = 135,049.32 : x
  2. Step 2: Convert to fraction form
    242,479.24/334,631.78 = 135,049.32/x
  3. Step 3: Cross multiply
    242,479.24x = 334,631.78 × 135,049.32
  4. Step 4: Simplify right side
    242,479.24x = 45,191,794,339.39
  5. Step 5: Solve for x
    x = 45,191,794,339.39/242,479.24
  6. Step 6: Final answer
    x = 186,373.87

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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.