Home / 263,279.61-363,325.37-142,421.00

Finding the Fourth Proportional to 263,279.61, 363,325.37 and 142,421.00

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Solution

The fourth proportional to 263,279.61, 363,325.37 and 142,421.00 is: 196,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,279.61 : 363,325.37 = 142,421.00 : x
  2. Step 2: Convert to fraction form
    263,279.61/363,325.37 = 142,421.00/x
  3. Step 3: Cross multiply
    263,279.61x = 363,325.37 × 142,421.00
  4. Step 4: Simplify right side
    263,279.61x = 51,745,159,992.04
  5. Step 5: Solve for x
    x = 51,745,159,992.04/263,279.61
  6. Step 6: Final answer
    x = 196,540.70

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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.