Home / 370,339.18-511,065.52-200,569.90

Finding the Fourth Proportional to 370,339.18, 511,065.52 and 200,569.90

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Solution

The fourth proportional to 370,339.18, 511,065.52 and 200,569.90 is: 276,785.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,339.18 : 511,065.52 = 200,569.90 : x
  2. Step 2: Convert to fraction form
    370,339.18/511,065.52 = 200,569.90/x
  3. Step 3: Cross multiply
    370,339.18x = 511,065.52 × 200,569.90
  4. Step 4: Simplify right side
    370,339.18x = 102,504,356,681.67
  5. Step 5: Solve for x
    x = 102,504,356,681.67/370,339.18
  6. Step 6: Final answer
    x = 276,785.08

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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.