Home / 397,373.02-548,381.28-216,088.54

Finding the Fourth Proportional to 397,373.02, 548,381.28 and 216,088.54

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Solution

The fourth proportional to 397,373.02, 548,381.28 and 216,088.54 is: 298,205.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,373.02 : 548,381.28 = 216,088.54 : x
  2. Step 2: Convert to fraction form
    397,373.02/548,381.28 = 216,088.54/x
  3. Step 3: Cross multiply
    397,373.02x = 548,381.28 × 216,088.54
  4. Step 4: Simplify right side
    397,373.02x = 118,498,910,158.53
  5. Step 5: Solve for x
    x = 118,498,910,158.53/397,373.02
  6. Step 6: Final answer
    x = 298,205.73

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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.