Home / 369,993.52-510,614.04-208,789.75

Finding the Fourth Proportional to 369,993.52, 510,614.04 and 208,789.75

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Solution

The fourth proportional to 369,993.52, 510,614.04 and 208,789.75 is: 288,142.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,993.52 : 510,614.04 = 208,789.75 : x
  2. Step 2: Convert to fraction form
    369,993.52/510,614.04 = 208,789.75/x
  3. Step 3: Cross multiply
    369,993.52x = 510,614.04 × 208,789.75
  4. Step 4: Simplify right side
    369,993.52x = 106,610,977,758.09
  5. Step 5: Solve for x
    x = 106,610,977,758.09/369,993.52
  6. Step 6: Final answer
    x = 288,142.82

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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.