Home / 299,946.60-413,938.80-172,622.52

Finding the Fourth Proportional to 299,946.60, 413,938.80 and 172,622.52

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Solution

The fourth proportional to 299,946.60, 413,938.80 and 172,622.52 is: 238,226.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,946.60 : 413,938.80 = 172,622.52 : x
  2. Step 2: Convert to fraction form
    299,946.60/413,938.80 = 172,622.52/x
  3. Step 3: Cross multiply
    299,946.60x = 413,938.80 × 172,622.52
  4. Step 4: Simplify right side
    299,946.60x = 71,455,158,781.78
  5. Step 5: Solve for x
    x = 71,455,158,781.78/299,946.60
  6. Step 6: Final answer
    x = 238,226.27

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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.