Home / 399,160.40-598,823.80-133,003.60

Finding the Fourth Proportional to 399,160.40, 598,823.80 and 133,003.60

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Solution

The fourth proportional to 399,160.40, 598,823.80 and 133,003.60 is: 199,533.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,160.40 : 598,823.80 = 133,003.60 : x
  2. Step 2: Convert to fraction form
    399,160.40/598,823.80 = 133,003.60/x
  3. Step 3: Cross multiply
    399,160.40x = 598,823.80 × 133,003.60
  4. Step 4: Simplify right side
    399,160.40x = 79,645,721,165.68
  5. Step 5: Solve for x
    x = 79,645,721,165.68/399,160.40
  6. Step 6: Final answer
    x = 199,533.12

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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.