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Finding the Fourth Proportional to 275,476.65, 380,160.59 and 154,615.51

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Solution

The fourth proportional to 275,476.65, 380,160.59 and 154,615.51 is: 213,370.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,476.65 : 380,160.59 = 154,615.51 : x
  2. Step 2: Convert to fraction form
    275,476.65/380,160.59 = 154,615.51/x
  3. Step 3: Cross multiply
    275,476.65x = 380,160.59 × 154,615.51
  4. Step 4: Simplify right side
    275,476.65x = 58,778,722,731.67
  5. Step 5: Solve for x
    x = 58,778,722,731.67/275,476.65
  6. Step 6: Final answer
    x = 213,370.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.