Home / 370,120.60-554,306.10-251,147.80

Finding the Fourth Proportional to 370,120.60, 554,306.10 and 251,147.80

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Solution

The fourth proportional to 370,120.60, 554,306.10 and 251,147.80 is: 376,128.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,120.60 : 554,306.10 = 251,147.80 : x
  2. Step 2: Convert to fraction form
    370,120.60/554,306.10 = 251,147.80/x
  3. Step 3: Cross multiply
    370,120.60x = 554,306.10 × 251,147.80
  4. Step 4: Simplify right side
    370,120.60x = 139,212,757,541.58
  5. Step 5: Solve for x
    x = 139,212,757,541.58/370,120.60
  6. Step 6: Final answer
    x = 376,128.10

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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.