Home / 345,233.28-476,362.56-317,329.20

Finding the Fourth Proportional to 345,233.28, 476,362.56 and 317,329.20

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Solution

The fourth proportional to 345,233.28, 476,362.56 and 317,329.20 is: 437,859.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,233.28 : 476,362.56 = 317,329.20 : x
  2. Step 2: Convert to fraction form
    345,233.28/476,362.56 = 317,329.20/x
  3. Step 3: Cross multiply
    345,233.28x = 476,362.56 × 317,329.20
  4. Step 4: Simplify right side
    345,233.28x = 151,163,750,074.75
  5. Step 5: Solve for x
    x = 151,163,750,074.75/345,233.28
  6. Step 6: Final answer
    x = 437,859.73

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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.