Home / 369,869.15-554,313.25-189,947.30

Finding the Fourth Proportional to 369,869.15, 554,313.25 and 189,947.30

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Solution

The fourth proportional to 369,869.15, 554,313.25 and 189,947.30 is: 284,669.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,869.15 : 554,313.25 = 189,947.30 : x
  2. Step 2: Convert to fraction form
    369,869.15/554,313.25 = 189,947.30/x
  3. Step 3: Cross multiply
    369,869.15x = 554,313.25 × 189,947.30
  4. Step 4: Simplify right side
    369,869.15x = 105,290,305,191.73
  5. Step 5: Solve for x
    x = 105,290,305,191.73/369,869.15
  6. Step 6: Final answer
    x = 284,669.07

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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.