Home / 369,780.42-510,321.06-208,576.65

Finding the Fourth Proportional to 369,780.42, 510,321.06 and 208,576.65

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Solution

The fourth proportional to 369,780.42, 510,321.06 and 208,576.65 is: 287,849.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,780.42 : 510,321.06 = 208,576.65 : x
  2. Step 2: Convert to fraction form
    369,780.42/510,321.06 = 208,576.65/x
  3. Step 3: Cross multiply
    369,780.42x = 510,321.06 × 208,576.65
  4. Step 4: Simplify right side
    369,780.42x = 106,441,059,032.95
  5. Step 5: Solve for x
    x = 106,441,059,032.95/369,780.42
  6. Step 6: Final answer
    x = 287,849.36

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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.