Home / 263,358.76-363,434.08-142,500.28

Finding the Fourth Proportional to 263,358.76, 363,434.08 and 142,500.28

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Solution

The fourth proportional to 263,358.76, 363,434.08 and 142,500.28 is: 196,649.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,358.76 : 363,434.08 = 142,500.28 : x
  2. Step 2: Convert to fraction form
    263,358.76/363,434.08 = 142,500.28/x
  3. Step 3: Cross multiply
    263,358.76x = 363,434.08 × 142,500.28
  4. Step 4: Simplify right side
    263,358.76x = 51,789,455,988.12
  5. Step 5: Solve for x
    x = 51,789,455,988.12/263,358.76
  6. Step 6: Final answer
    x = 196,649.84

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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.