Home / 370,603.20-511,094.16-269,320.80

Finding the Fourth Proportional to 370,603.20, 511,094.16 and 269,320.80

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Solution

The fourth proportional to 370,603.20, 511,094.16 and 269,320.80 is: 371,416.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,603.20 : 511,094.16 = 269,320.80 : x
  2. Step 2: Convert to fraction form
    370,603.20/511,094.16 = 269,320.80/x
  3. Step 3: Cross multiply
    370,603.20x = 511,094.16 × 269,320.80
  4. Step 4: Simplify right side
    370,603.20x = 137,648,288,046.53
  5. Step 5: Solve for x
    x = 137,648,288,046.53/370,603.20
  6. Step 6: Final answer
    x = 371,416.89

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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.