Home / 312,378.18-468,508.23-152,293.38

Finding the Fourth Proportional to 312,378.18, 468,508.23 and 152,293.38

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Solution

The fourth proportional to 312,378.18, 468,508.23 and 152,293.38 is: 228,411.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,378.18 : 468,508.23 = 152,293.38 : x
  2. Step 2: Convert to fraction form
    312,378.18/468,508.23 = 152,293.38/x
  3. Step 3: Cross multiply
    312,378.18x = 468,508.23 × 152,293.38
  4. Step 4: Simplify right side
    312,378.18x = 71,350,701,904.52
  5. Step 5: Solve for x
    x = 71,350,701,904.52/312,378.18
  6. Step 6: Final answer
    x = 228,411.29

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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.