Home / 307,629.40-461,444.10-188,915.80

Finding the Fourth Proportional to 307,629.40, 461,444.10 and 188,915.80

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Solution

The fourth proportional to 307,629.40, 461,444.10 and 188,915.80 is: 283,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,629.40 : 461,444.10 = 188,915.80 : x
  2. Step 2: Convert to fraction form
    307,629.40/461,444.10 = 188,915.80/x
  3. Step 3: Cross multiply
    307,629.40x = 461,444.10 × 188,915.80
  4. Step 4: Simplify right side
    307,629.40x = 87,174,081,306.78
  5. Step 5: Solve for x
    x = 87,174,081,306.78/307,629.40
  6. Step 6: Final answer
    x = 283,373.70

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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.