Home / 318,625.35-477,939.23-129,089.26

Finding the Fourth Proportional to 318,625.35, 477,939.23 and 129,089.26

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Solution

The fourth proportional to 318,625.35, 477,939.23 and 129,089.26 is: 193,634.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,625.35 : 477,939.23 = 129,089.26 : x
  2. Step 2: Convert to fraction form
    318,625.35/477,939.23 = 129,089.26/x
  3. Step 3: Cross multiply
    318,625.35x = 477,939.23 × 129,089.26
  4. Step 4: Simplify right side
    318,625.35x = 61,696,821,525.67
  5. Step 5: Solve for x
    x = 61,696,821,525.67/318,625.35
  6. Step 6: Final answer
    x = 193,634.38

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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.