Home / 275,723.13-380,533.59-154,864.41

Finding the Fourth Proportional to 275,723.13, 380,533.59 and 154,864.41

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Solution

The fourth proportional to 275,723.13, 380,533.59 and 154,864.41 is: 213,732.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,723.13 : 380,533.59 = 154,864.41 : x
  2. Step 2: Convert to fraction form
    275,723.13/380,533.59 = 154,864.41/x
  3. Step 3: Cross multiply
    275,723.13x = 380,533.59 × 154,864.41
  4. Step 4: Simplify right side
    275,723.13x = 58,931,109,900.53
  5. Step 5: Solve for x
    x = 58,931,109,900.53/275,723.13
  6. Step 6: Final answer
    x = 213,732.92

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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.