Home / 251,555.12-377,332.67-172,429.46

Finding the Fourth Proportional to 251,555.12, 377,332.67 and 172,429.46

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Solution

The fourth proportional to 251,555.12, 377,332.67 and 172,429.46 is: 258,644.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,555.12 : 377,332.67 = 172,429.46 : x
  2. Step 2: Convert to fraction form
    251,555.12/377,332.67 = 172,429.46/x
  3. Step 3: Cross multiply
    251,555.12x = 377,332.67 × 172,429.46
  4. Step 4: Simplify right side
    251,555.12x = 65,063,268,528.46
  5. Step 5: Solve for x
    x = 65,063,268,528.46/251,555.12
  6. Step 6: Final answer
    x = 258,644.18

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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.