Home / 278,898.04-384,747.83-202,248.98

Finding the Fourth Proportional to 278,898.04, 384,747.83 and 202,248.98

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Solution

The fourth proportional to 278,898.04, 384,747.83 and 202,248.98 is: 279,008.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,898.04 : 384,747.83 = 202,248.98 : x
  2. Step 2: Convert to fraction form
    278,898.04/384,747.83 = 202,248.98/x
  3. Step 3: Cross multiply
    278,898.04x = 384,747.83 × 202,248.98
  4. Step 4: Simplify right side
    278,898.04x = 77,814,856,174.71
  5. Step 5: Solve for x
    x = 77,814,856,174.71/278,898.04
  6. Step 6: Final answer
    x = 279,008.26

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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.