Home / 318,655.42-439,750.02-182,711.50

Finding the Fourth Proportional to 318,655.42, 439,750.02 and 182,711.50

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Solution

The fourth proportional to 318,655.42, 439,750.02 and 182,711.50 is: 252,145.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,655.42 : 439,750.02 = 182,711.50 : x
  2. Step 2: Convert to fraction form
    318,655.42/439,750.02 = 182,711.50/x
  3. Step 3: Cross multiply
    318,655.42x = 439,750.02 × 182,711.50
  4. Step 4: Simplify right side
    318,655.42x = 80,347,385,779.23
  5. Step 5: Solve for x
    x = 80,347,385,779.23/318,655.42
  6. Step 6: Final answer
    x = 252,145.05

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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.