Home / 370,729.17-511,623.33-209,591.01

Finding the Fourth Proportional to 370,729.17, 511,623.33 and 209,591.01

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Solution

The fourth proportional to 370,729.17, 511,623.33 and 209,591.01 is: 289,245.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,729.17 : 511,623.33 = 209,591.01 : x
  2. Step 2: Convert to fraction form
    370,729.17/511,623.33 = 209,591.01/x
  3. Step 3: Cross multiply
    370,729.17x = 511,623.33 × 209,591.01
  4. Step 4: Simplify right side
    370,729.17x = 107,231,650,474.26
  5. Step 5: Solve for x
    x = 107,231,650,474.26/370,729.17
  6. Step 6: Final answer
    x = 289,245.25

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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.