Home / 397,577.52-548,659.40-216,291.12

Finding the Fourth Proportional to 397,577.52, 548,659.40 and 216,291.12

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Solution

The fourth proportional to 397,577.52, 548,659.40 and 216,291.12 is: 298,483.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,577.52 : 548,659.40 = 216,291.12 : x
  2. Step 2: Convert to fraction form
    397,577.52/548,659.40 = 216,291.12/x
  3. Step 3: Cross multiply
    397,577.52x = 548,659.40 × 216,291.12
  4. Step 4: Simplify right side
    397,577.52x = 118,670,156,124.53
  5. Step 5: Solve for x
    x = 118,670,156,124.53/397,577.52
  6. Step 6: Final answer
    x = 298,483.06

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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.