Home / 284,631.20-426,955.44-97,640

Finding the Fourth Proportional to 284,631.20, 426,955.44 and 97,640

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Solution

The fourth proportional to 284,631.20, 426,955.44 and 97,640 is: 146,462.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,631.20 : 426,955.44 = 97,640 : x
  2. Step 2: Convert to fraction form
    284,631.20/426,955.44 = 97,640/x
  3. Step 3: Cross multiply
    284,631.20x = 426,955.44 × 97,640
  4. Step 4: Simplify right side
    284,631.20x = 41,687,929,161.60
  5. Step 5: Solve for x
    x = 41,687,929,161.60/284,631.20
  6. Step 6: Final answer
    x = 146,462.96

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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.