Home / 397,746.60-548,902.68-225,671.82

Finding the Fourth Proportional to 397,746.60, 548,902.68 and 225,671.82

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Solution

The fourth proportional to 397,746.60, 548,902.68 and 225,671.82 is: 311,434.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,746.60 : 548,902.68 = 225,671.82 : x
  2. Step 2: Convert to fraction form
    397,746.60/548,902.68 = 225,671.82/x
  3. Step 3: Cross multiply
    397,746.60x = 548,902.68 × 225,671.82
  4. Step 4: Simplify right side
    397,746.60x = 123,871,866,981.40
  5. Step 5: Solve for x
    x = 123,871,866,981.40/397,746.60
  6. Step 6: Final answer
    x = 311,434.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.