Home / 318,899.70-440,080.98-175,669.38

Finding the Fourth Proportional to 318,899.70, 440,080.98 and 175,669.38

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Solution

The fourth proportional to 318,899.70, 440,080.98 and 175,669.38 is: 242,423.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,899.70 : 440,080.98 = 175,669.38 : x
  2. Step 2: Convert to fraction form
    318,899.70/440,080.98 = 175,669.38/x
  3. Step 3: Cross multiply
    318,899.70x = 440,080.98 × 175,669.38
  4. Step 4: Simplify right side
    318,899.70x = 77,308,752,906.39
  5. Step 5: Solve for x
    x = 77,308,752,906.39/318,899.70
  6. Step 6: Final answer
    x = 242,423.41

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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.