Home / 318,975.12-478,307.04-182,182.32

Finding the Fourth Proportional to 318,975.12, 478,307.04 and 182,182.32

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Solution

The fourth proportional to 318,975.12, 478,307.04 and 182,182.32 is: 273,184.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,975.12 : 478,307.04 = 182,182.32 : x
  2. Step 2: Convert to fraction form
    318,975.12/478,307.04 = 182,182.32/x
  3. Step 3: Cross multiply
    318,975.12x = 478,307.04 × 182,182.32
  4. Step 4: Simplify right side
    318,975.12x = 87,139,086,219.53
  5. Step 5: Solve for x
    x = 87,139,086,219.53/318,975.12
  6. Step 6: Final answer
    x = 273,184.59

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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.