Home / 668,374.20-1,002,558.90-162,929.40

Finding the Fourth Proportional to 668,374.20, 1,002,558.90 and 162,929.40

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Solution

The fourth proportional to 668,374.20, 1,002,558.90 and 162,929.40 is: 244,393.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,374.20 : 1,002,558.90 = 162,929.40 : x
  2. Step 2: Convert to fraction form
    668,374.20/1,002,558.90 = 162,929.40/x
  3. Step 3: Cross multiply
    668,374.20x = 1,002,558.90 × 162,929.40
  4. Step 4: Simplify right side
    668,374.20x = 163,346,320,041.66
  5. Step 5: Solve for x
    x = 163,346,320,041.66/668,374.20
  6. Step 6: Final answer
    x = 244,393.51

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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.