Home / 318,961.62-440,166.02-175,720.41

Finding the Fourth Proportional to 318,961.62, 440,166.02 and 175,720.41

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Solution

The fourth proportional to 318,961.62, 440,166.02 and 175,720.41 is: 242,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,961.62 : 440,166.02 = 175,720.41 : x
  2. Step 2: Convert to fraction form
    318,961.62/440,166.02 = 175,720.41/x
  3. Step 3: Cross multiply
    318,961.62x = 440,166.02 × 175,720.41
  4. Step 4: Simplify right side
    318,961.62x = 77,346,152,623.87
  5. Step 5: Solve for x
    x = 77,346,152,623.87/318,961.62
  6. Step 6: Final answer
    x = 242,493.60

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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.