Home / 318,135.23-439,035-174,898.88

Finding the Fourth Proportional to 318,135.23, 439,035 and 174,898.88

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Solution

The fourth proportional to 318,135.23, 439,035 and 174,898.88 is: 241,365.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,135.23 : 439,035 = 174,898.88 : x
  2. Step 2: Convert to fraction form
    318,135.23/439,035 = 174,898.88/x
  3. Step 3: Cross multiply
    318,135.23x = 439,035 × 174,898.88
  4. Step 4: Simplify right side
    318,135.23x = 76,786,729,780.80
  5. Step 5: Solve for x
    x = 76,786,729,780.80/318,135.23
  6. Step 6: Final answer
    x = 241,365.06

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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.