Home / 243,808.00-336,480.38-140,445.75

Finding the Fourth Proportional to 243,808.00, 336,480.38 and 140,445.75

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Solution

The fourth proportional to 243,808.00, 336,480.38 and 140,445.75 is: 193,829.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,808.00 : 336,480.38 = 140,445.75 : x
  2. Step 2: Convert to fraction form
    243,808.00/336,480.38 = 140,445.75/x
  3. Step 3: Cross multiply
    243,808.00x = 336,480.38 × 140,445.75
  4. Step 4: Simplify right side
    243,808.00x = 47,257,240,415.63
  5. Step 5: Solve for x
    x = 47,257,240,415.63/243,808.00
  6. Step 6: Final answer
    x = 193,829.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.