Home / 228,475.07-342,725.36-70,691.22

Finding the Fourth Proportional to 228,475.07, 342,725.36 and 70,691.22

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Solution

The fourth proportional to 228,475.07, 342,725.36 and 70,691.22 is: 106,040.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,475.07 : 342,725.36 = 70,691.22 : x
  2. Step 2: Convert to fraction form
    228,475.07/342,725.36 = 70,691.22/x
  3. Step 3: Cross multiply
    228,475.07x = 342,725.36 × 70,691.22
  4. Step 4: Simplify right side
    228,475.07x = 24,227,673,823.34
  5. Step 5: Solve for x
    x = 24,227,673,823.34/228,475.07
  6. Step 6: Final answer
    x = 106,040.78

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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.