Home / 668,347.11-1,002,579.59-188,579.15

Finding the Fourth Proportional to 668,347.11, 1,002,579.59 and 188,579.15

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Solution

The fourth proportional to 668,347.11, 1,002,579.59 and 188,579.15 is: 282,885.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,347.11 : 1,002,579.59 = 188,579.15 : x
  2. Step 2: Convert to fraction form
    668,347.11/1,002,579.59 = 188,579.15/x
  3. Step 3: Cross multiply
    668,347.11x = 1,002,579.59 × 188,579.15
  4. Step 4: Simplify right side
    668,347.11x = 189,065,606,107.77
  5. Step 5: Solve for x
    x = 189,065,606,107.77/668,347.11
  6. Step 6: Final answer
    x = 282,885.35

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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.