Home / 307,868.40-461,756.43-97,479

Finding the Fourth Proportional to 307,868.40, 461,756.43 and 97,479

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Solution

The fourth proportional to 307,868.40, 461,756.43 and 97,479 is: 146,203.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,868.40 : 461,756.43 = 97,479 : x
  2. Step 2: Convert to fraction form
    307,868.40/461,756.43 = 97,479/x
  3. Step 3: Cross multiply
    307,868.40x = 461,756.43 × 97,479
  4. Step 4: Simplify right side
    307,868.40x = 45,011,555,039.97
  5. Step 5: Solve for x
    x = 45,011,555,039.97/307,868.40
  6. Step 6: Final answer
    x = 146,203.88

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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.