Home / 318,348.42-439,313.66-175,105.32

Finding the Fourth Proportional to 318,348.42, 439,313.66 and 175,105.32

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Solution

The fourth proportional to 318,348.42, 439,313.66 and 175,105.32 is: 241,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,348.42 : 439,313.66 = 175,105.32 : x
  2. Step 2: Convert to fraction form
    318,348.42/439,313.66 = 175,105.32/x
  3. Step 3: Cross multiply
    318,348.42x = 439,313.66 × 175,105.32
  4. Step 4: Simplify right side
    318,348.42x = 76,926,159,014.67
  5. Step 5: Solve for x
    x = 76,926,159,014.67/318,348.42
  6. Step 6: Final answer
    x = 241,641.40

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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.