Home / 393,623.02-590,286.28-127,312.03

Finding the Fourth Proportional to 393,623.02, 590,286.28 and 127,312.03

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Solution

The fourth proportional to 393,623.02, 590,286.28 and 127,312.03 is: 190,920.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,623.02 : 590,286.28 = 127,312.03 : x
  2. Step 2: Convert to fraction form
    393,623.02/590,286.28 = 127,312.03/x
  3. Step 3: Cross multiply
    393,623.02x = 590,286.28 × 127,312.03
  4. Step 4: Simplify right side
    393,623.02x = 75,150,544,587.95
  5. Step 5: Solve for x
    x = 75,150,544,587.95/393,623.02
  6. Step 6: Final answer
    x = 190,920.10

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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.