Home / 472,939.29-709,510.28-135,976.95

Finding the Fourth Proportional to 472,939.29, 709,510.28 and 135,976.95

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Solution

The fourth proportional to 472,939.29, 709,510.28 and 135,976.95 is: 203,994.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,939.29 : 709,510.28 = 135,976.95 : x
  2. Step 2: Convert to fraction form
    472,939.29/709,510.28 = 135,976.95/x
  3. Step 3: Cross multiply
    472,939.29x = 709,510.28 × 135,976.95
  4. Step 4: Simplify right side
    472,939.29x = 96,477,043,188.16
  5. Step 5: Solve for x
    x = 96,477,043,188.16/472,939.29
  6. Step 6: Final answer
    x = 203,994.56

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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.