Home / 312,950.17-469,307.40-113,221.18

Finding the Fourth Proportional to 312,950.17, 469,307.40 and 113,221.18

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Solution

The fourth proportional to 312,950.17, 469,307.40 and 113,221.18 is: 169,789.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,950.17 : 469,307.40 = 113,221.18 : x
  2. Step 2: Convert to fraction form
    312,950.17/469,307.40 = 113,221.18/x
  3. Step 3: Cross multiply
    312,950.17x = 469,307.40 × 113,221.18
  4. Step 4: Simplify right side
    312,950.17x = 53,135,537,610.73
  5. Step 5: Solve for x
    x = 53,135,537,610.73/312,950.17
  6. Step 6: Final answer
    x = 169,789.13

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1.5x scale

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.