Home / 284,241.53-392,243.03-156,914.39

Finding the Fourth Proportional to 284,241.53, 392,243.03 and 156,914.39

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Solution

The fourth proportional to 284,241.53, 392,243.03 and 156,914.39 is: 216,536.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,241.53 : 392,243.03 = 156,914.39 : x
  2. Step 2: Convert to fraction form
    284,241.53/392,243.03 = 156,914.39/x
  3. Step 3: Cross multiply
    284,241.53x = 392,243.03 × 156,914.39
  4. Step 4: Simplify right side
    284,241.53x = 61,548,575,784.20
  5. Step 5: Solve for x
    x = 61,548,575,784.20/284,241.53
  6. Step 6: Final answer
    x = 216,536.18

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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.