Home / 318,112.08-477,066.04-140,615.12

Finding the Fourth Proportional to 318,112.08, 477,066.04 and 140,615.12

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Solution

The fourth proportional to 318,112.08, 477,066.04 and 140,615.12 is: 210,877.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,112.08 : 477,066.04 = 140,615.12 : x
  2. Step 2: Convert to fraction form
    318,112.08/477,066.04 = 140,615.12/x
  3. Step 3: Cross multiply
    318,112.08x = 477,066.04 × 140,615.12
  4. Step 4: Simplify right side
    318,112.08x = 67,082,698,462.52
  5. Step 5: Solve for x
    x = 67,082,698,462.52/318,112.08
  6. Step 6: Final answer
    x = 210,877.56

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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.