Home / 437,240.18-654,378.85-268,867.15

Finding the Fourth Proportional to 437,240.18, 654,378.85 and 268,867.15

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Solution

The fourth proportional to 437,240.18, 654,378.85 and 268,867.15 is: 402,389.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,240.18 : 654,378.85 = 268,867.15 : x
  2. Step 2: Convert to fraction form
    437,240.18/654,378.85 = 268,867.15/x
  3. Step 3: Cross multiply
    437,240.18x = 654,378.85 × 268,867.15
  4. Step 4: Simplify right side
    437,240.18x = 175,940,975,119.91
  5. Step 5: Solve for x
    x = 175,940,975,119.91/437,240.18
  6. Step 6: Final answer
    x = 402,389.77

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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.