Home / 242,541.45-363,320.10-137,237.40

Finding the Fourth Proportional to 242,541.45, 363,320.10 and 137,237.40

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Solution

The fourth proportional to 242,541.45, 363,320.10 and 137,237.40 is: 205,577.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,541.45 : 363,320.10 = 137,237.40 : x
  2. Step 2: Convert to fraction form
    242,541.45/363,320.10 = 137,237.40/x
  3. Step 3: Cross multiply
    242,541.45x = 363,320.10 × 137,237.40
  4. Step 4: Simplify right side
    242,541.45x = 49,861,105,891.74
  5. Step 5: Solve for x
    x = 49,861,105,891.74/242,541.45
  6. Step 6: Final answer
    x = 205,577.67

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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.