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Finding the Fourth Proportional to 230,026.40, 345,055.80 and 130,234.40

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Solution

The fourth proportional to 230,026.40, 345,055.80 and 130,234.40 is: 195,360.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,026.40 : 345,055.80 = 130,234.40 : x
  2. Step 2: Convert to fraction form
    230,026.40/345,055.80 = 130,234.40/x
  3. Step 3: Cross multiply
    230,026.40x = 345,055.80 × 130,234.40
  4. Step 4: Simplify right side
    230,026.40x = 44,938,135,079.52
  5. Step 5: Solve for x
    x = 44,938,135,079.52/230,026.40
  6. Step 6: Final answer
    x = 195,360.77

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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.