Home / 228,631.80-342,947.70-148,915.65

Finding the Fourth Proportional to 228,631.80, 342,947.70 and 148,915.65

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Solution

The fourth proportional to 228,631.80, 342,947.70 and 148,915.65 is: 223,373.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,631.80 : 342,947.70 = 148,915.65 : x
  2. Step 2: Convert to fraction form
    228,631.80/342,947.70 = 148,915.65/x
  3. Step 3: Cross multiply
    228,631.80x = 342,947.70 × 148,915.65
  4. Step 4: Simplify right side
    228,631.80x = 51,070,279,661.51
  5. Step 5: Solve for x
    x = 51,070,279,661.51/228,631.80
  6. Step 6: Final answer
    x = 223,373.48

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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.