Home / 307,686.59-461,526.17-79,962.04

Finding the Fourth Proportional to 307,686.59, 461,526.17 and 79,962.04

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Solution

The fourth proportional to 307,686.59, 461,526.17 and 79,962.04 is: 119,942.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,686.59 : 461,526.17 = 79,962.04 : x
  2. Step 2: Convert to fraction form
    307,686.59/461,526.17 = 79,962.04/x
  3. Step 3: Cross multiply
    307,686.59x = 461,526.17 × 79,962.04
  4. Step 4: Simplify right side
    307,686.59x = 36,904,571,758.96
  5. Step 5: Solve for x
    x = 36,904,571,758.96/307,686.59
  6. Step 6: Final answer
    x = 119,942.09

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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.