Home / 312,831.03-469,363.82-144,432.03

Finding the Fourth Proportional to 312,831.03, 469,363.82 and 144,432.03

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Solution

The fourth proportional to 312,831.03, 469,363.82 and 144,432.03 is: 216,702.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,831.03 : 469,363.82 = 144,432.03 : x
  2. Step 2: Convert to fraction form
    312,831.03/469,363.82 = 144,432.03/x
  3. Step 3: Cross multiply
    312,831.03x = 469,363.82 × 144,432.03
  4. Step 4: Simplify right side
    312,831.03x = 67,791,168,608.99
  5. Step 5: Solve for x
    x = 67,791,168,608.99/312,831.03
  6. Step 6: Final answer
    x = 216,702.19

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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.