Home / 313,799.09-433,046.13-170,559.20

Finding the Fourth Proportional to 313,799.09, 433,046.13 and 170,559.20

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Solution

The fourth proportional to 313,799.09, 433,046.13 and 170,559.20 is: 235,373.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,799.09 : 433,046.13 = 170,559.20 : x
  2. Step 2: Convert to fraction form
    313,799.09/433,046.13 = 170,559.20/x
  3. Step 3: Cross multiply
    313,799.09x = 433,046.13 × 170,559.20
  4. Step 4: Simplify right side
    313,799.09x = 73,860,001,495.90
  5. Step 5: Solve for x
    x = 73,860,001,495.90/313,799.09
  6. Step 6: Final answer
    x = 235,373.54

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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.