Home / 369,295.36-554,001.20-129,475.36

Finding the Fourth Proportional to 369,295.36, 554,001.20 and 129,475.36

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Solution

The fourth proportional to 369,295.36, 554,001.20 and 129,475.36 is: 194,233.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,295.36 : 554,001.20 = 129,475.36 : x
  2. Step 2: Convert to fraction form
    369,295.36/554,001.20 = 129,475.36/x
  3. Step 3: Cross multiply
    369,295.36x = 554,001.20 × 129,475.36
  4. Step 4: Simplify right side
    369,295.36x = 71,729,504,810.43
  5. Step 5: Solve for x
    x = 71,729,504,810.43/369,295.36
  6. Step 6: Final answer
    x = 194,233.43

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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.