Home / 369,619.14-554,460.15-103,379.84

Finding the Fourth Proportional to 369,619.14, 554,460.15 and 103,379.84

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Solution

The fourth proportional to 369,619.14, 554,460.15 and 103,379.84 is: 155,078.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,619.14 : 554,460.15 = 103,379.84 : x
  2. Step 2: Convert to fraction form
    369,619.14/554,460.15 = 103,379.84/x
  3. Step 3: Cross multiply
    369,619.14x = 554,460.15 × 103,379.84
  4. Step 4: Simplify right side
    369,619.14x = 57,319,998,821.08
  5. Step 5: Solve for x
    x = 57,319,998,821.08/369,619.14
  6. Step 6: Final answer
    x = 155,078.55

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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.