Home / 307,538.20-461,307.30-245,330.20

Finding the Fourth Proportional to 307,538.20, 461,307.30 and 245,330.20

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Solution

The fourth proportional to 307,538.20, 461,307.30 and 245,330.20 is: 367,995.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,538.20 : 461,307.30 = 245,330.20 : x
  2. Step 2: Convert to fraction form
    307,538.20/461,307.30 = 245,330.20/x
  3. Step 3: Cross multiply
    307,538.20x = 461,307.30 × 245,330.20
  4. Step 4: Simplify right side
    307,538.20x = 113,172,612,170.46
  5. Step 5: Solve for x
    x = 113,172,612,170.46/307,538.20
  6. Step 6: Final answer
    x = 367,995.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.