Home / 263,348.18-363,417.89-142,486.81

Finding the Fourth Proportional to 263,348.18, 363,417.89 and 142,486.81

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Solution

The fourth proportional to 263,348.18, 363,417.89 and 142,486.81 is: 196,630.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,348.18 : 363,417.89 = 142,486.81 : x
  2. Step 2: Convert to fraction form
    263,348.18/363,417.89 = 142,486.81/x
  3. Step 3: Cross multiply
    263,348.18x = 363,417.89 × 142,486.81
  4. Step 4: Simplify right side
    263,348.18x = 51,782,255,843.03
  5. Step 5: Solve for x
    x = 51,782,255,843.03/263,348.18
  6. Step 6: Final answer
    x = 196,630.39

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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.