Home / 226,402.77-312,429.22-129,603.42

Finding the Fourth Proportional to 226,402.77, 312,429.22 and 129,603.42

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Solution

The fourth proportional to 226,402.77, 312,429.22 and 129,603.42 is: 178,848.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,402.77 : 312,429.22 = 129,603.42 : x
  2. Step 2: Convert to fraction form
    226,402.77/312,429.22 = 129,603.42/x
  3. Step 3: Cross multiply
    226,402.77x = 312,429.22 × 129,603.42
  4. Step 4: Simplify right side
    226,402.77x = 40,491,893,924.31
  5. Step 5: Solve for x
    x = 40,491,893,924.31/226,402.77
  6. Step 6: Final answer
    x = 178,848.93

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1.5x scale

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.