Home / 668,348.11-1,002,581.09-188,580.15

Finding the Fourth Proportional to 668,348.11, 1,002,581.09 and 188,580.15

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Solution

The fourth proportional to 668,348.11, 1,002,581.09 and 188,580.15 is: 282,886.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,348.11 : 1,002,581.09 = 188,580.15 : x
  2. Step 2: Convert to fraction form
    668,348.11/1,002,581.09 = 188,580.15/x
  3. Step 3: Cross multiply
    668,348.11x = 1,002,581.09 × 188,580.15
  4. Step 4: Simplify right side
    668,348.11x = 189,066,892,339.36
  5. Step 5: Solve for x
    x = 189,066,892,339.36/668,348.11
  6. Step 6: Final answer
    x = 282,886.85

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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.