Home / 318,420.27-439,404.09-175,176.63

Finding the Fourth Proportional to 318,420.27, 439,404.09 and 175,176.63

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Solution

The fourth proportional to 318,420.27, 439,404.09 and 175,176.63 is: 241,735.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,420.27 : 439,404.09 = 175,176.63 : x
  2. Step 2: Convert to fraction form
    318,420.27/439,404.09 = 175,176.63/x
  3. Step 3: Cross multiply
    318,420.27x = 439,404.09 × 175,176.63
  4. Step 4: Simplify right side
    318,420.27x = 76,973,327,694.42
  5. Step 5: Solve for x
    x = 76,973,327,694.42/318,420.27
  6. Step 6: Final answer
    x = 241,735.01

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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.