Home / 263,348.16-363,417.88-142,486.80

Finding the Fourth Proportional to 263,348.16, 363,417.88 and 142,486.80

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Solution

The fourth proportional to 263,348.16, 363,417.88 and 142,486.80 is: 196,630.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,348.16 : 363,417.88 = 142,486.80 : x
  2. Step 2: Convert to fraction form
    263,348.16/363,417.88 = 142,486.80/x
  3. Step 3: Cross multiply
    263,348.16x = 363,417.88 × 142,486.80
  4. Step 4: Simplify right side
    263,348.16x = 51,782,250,783.98
  5. Step 5: Solve for x
    x = 51,782,250,783.98/263,348.16
  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.