Home / 286,235.31-429,514.26-263,649.07

Finding the Fourth Proportional to 286,235.31, 429,514.26 and 263,649.07

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Solution

The fourth proportional to 286,235.31, 429,514.26 and 263,649.07 is: 395,622.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,235.31 : 429,514.26 = 263,649.07 : x
  2. Step 2: Convert to fraction form
    286,235.31/429,514.26 = 263,649.07/x
  3. Step 3: Cross multiply
    286,235.31x = 429,514.26 × 263,649.07
  4. Step 4: Simplify right side
    286,235.31x = 113,241,034,126.95
  5. Step 5: Solve for x
    x = 113,241,034,126.95/286,235.31
  6. Step 6: Final answer
    x = 395,622.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.