Home / 318,338.34-439,313.93-175,105.63

Finding the Fourth Proportional to 318,338.34, 439,313.93 and 175,105.63

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Solution

The fourth proportional to 318,338.34, 439,313.93 and 175,105.63 is: 241,649.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,338.34 : 439,313.93 = 175,105.63 : x
  2. Step 2: Convert to fraction form
    318,338.34/439,313.93 = 175,105.63/x
  3. Step 3: Cross multiply
    318,338.34x = 439,313.93 × 175,105.63
  4. Step 4: Simplify right side
    318,338.34x = 76,926,342,480.43
  5. Step 5: Solve for x
    x = 76,926,342,480.43/318,338.34
  6. Step 6: Final answer
    x = 241,649.63

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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.