Home / 369,663.48-554,530.14-103,424.04

Finding the Fourth Proportional to 369,663.48, 554,530.14 and 103,424.04

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Solution

The fourth proportional to 369,663.48, 554,530.14 and 103,424.04 is: 155,145.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,663.48 : 554,530.14 = 103,424.04 : x
  2. Step 2: Convert to fraction form
    369,663.48/554,530.14 = 103,424.04/x
  3. Step 3: Cross multiply
    369,663.48x = 554,530.14 × 103,424.04
  4. Step 4: Simplify right side
    369,663.48x = 57,351,747,380.57
  5. Step 5: Solve for x
    x = 57,351,747,380.57/369,663.48
  6. Step 6: Final answer
    x = 155,145.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.