Home / 369,867.15-554,310.25-189,945.30

Finding the Fourth Proportional to 369,867.15, 554,310.25 and 189,945.30

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Solution

The fourth proportional to 369,867.15, 554,310.25 and 189,945.30 is: 284,666.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,867.15 : 554,310.25 = 189,945.30 : x
  2. Step 2: Convert to fraction form
    369,867.15/554,310.25 = 189,945.30/x
  3. Step 3: Cross multiply
    369,867.15x = 554,310.25 × 189,945.30
  4. Step 4: Simplify right side
    369,867.15x = 105,288,626,729.33
  5. Step 5: Solve for x
    x = 105,288,626,729.33/369,867.15
  6. Step 6: Final answer
    x = 284,666.07

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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.