Home / 386,373.57-533,176.50-214,278.04

Finding the Fourth Proportional to 386,373.57, 533,176.50 and 214,278.04

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Solution

The fourth proportional to 386,373.57, 533,176.50 and 214,278.04 is: 295,693.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,373.57 : 533,176.50 = 214,278.04 : x
  2. Step 2: Convert to fraction form
    386,373.57/533,176.50 = 214,278.04/x
  3. Step 3: Cross multiply
    386,373.57x = 533,176.50 × 214,278.04
  4. Step 4: Simplify right side
    386,373.57x = 114,248,015,394.06
  5. Step 5: Solve for x
    x = 114,248,015,394.06/386,373.57
  6. Step 6: Final answer
    x = 295,693.14

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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.