Home / 312,338.22-468,543.57-152,300.44

Finding the Fourth Proportional to 312,338.22, 468,543.57 and 152,300.44

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Solution

The fourth proportional to 312,338.22, 468,543.57 and 152,300.44 is: 228,468.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,338.22 : 468,543.57 = 152,300.44 : x
  2. Step 2: Convert to fraction form
    312,338.22/468,543.57 = 152,300.44/x
  3. Step 3: Cross multiply
    312,338.22x = 468,543.57 × 152,300.44
  4. Step 4: Simplify right side
    312,338.22x = 71,359,391,870.17
  5. Step 5: Solve for x
    x = 71,359,391,870.17/312,338.22
  6. Step 6: Final answer
    x = 228,468.33

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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.