Home / 312,263.49-468,460.04-125,289.57

Finding the Fourth Proportional to 312,263.49, 468,460.04 and 125,289.57

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Solution

The fourth proportional to 312,263.49, 468,460.04 and 125,289.57 is: 187,960.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,263.49 : 468,460.04 = 125,289.57 : x
  2. Step 2: Convert to fraction form
    312,263.49/468,460.04 = 125,289.57/x
  3. Step 3: Cross multiply
    312,263.49x = 468,460.04 × 125,289.57
  4. Step 4: Simplify right side
    312,263.49x = 58,693,156,347.34
  5. Step 5: Solve for x
    x = 58,693,156,347.34/312,263.49
  6. Step 6: Final answer
    x = 187,960.35

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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.