Home / 284,247.18-426,214.08-115,724.34

Finding the Fourth Proportional to 284,247.18, 426,214.08 and 115,724.34

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Solution

The fourth proportional to 284,247.18, 426,214.08 and 115,724.34 is: 173,522.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,247.18 : 426,214.08 = 115,724.34 : x
  2. Step 2: Convert to fraction form
    284,247.18/426,214.08 = 115,724.34/x
  3. Step 3: Cross multiply
    284,247.18x = 426,214.08 × 115,724.34
  4. Step 4: Simplify right side
    284,247.18x = 49,323,343,106.71
  5. Step 5: Solve for x
    x = 49,323,343,106.71/284,247.18
  6. Step 6: Final answer
    x = 173,522.72

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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.