Home / 230,018.40-344,925.20-105,397.60

Finding the Fourth Proportional to 230,018.40, 344,925.20 and 105,397.60

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Solution

The fourth proportional to 230,018.40, 344,925.20 and 105,397.60 is: 158,049.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,018.40 : 344,925.20 = 105,397.60 : x
  2. Step 2: Convert to fraction form
    230,018.40/344,925.20 = 105,397.60/x
  3. Step 3: Cross multiply
    230,018.40x = 344,925.20 × 105,397.60
  4. Step 4: Simplify right side
    230,018.40x = 36,354,288,259.52
  5. Step 5: Solve for x
    x = 36,354,288,259.52/230,018.40
  6. Step 6: Final answer
    x = 158,049.48

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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.