Home / 456,434.10-684,748.35-140,922.90

Finding the Fourth Proportional to 456,434.10, 684,748.35 and 140,922.90

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Solution

The fourth proportional to 456,434.10, 684,748.35 and 140,922.90 is: 211,414.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,434.10 : 684,748.35 = 140,922.90 : x
  2. Step 2: Convert to fraction form
    456,434.10/684,748.35 = 140,922.90/x
  3. Step 3: Cross multiply
    456,434.10x = 684,748.35 × 140,922.90
  4. Step 4: Simplify right side
    456,434.10x = 96,496,723,252.22
  5. Step 5: Solve for x
    x = 96,496,723,252.22/456,434.10
  6. Step 6: Final answer
    x = 211,414.36

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1.5x scale

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.