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Finding the Fourth Proportional to 181,712.40, 270,703.84 and 173,515

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Solution

The fourth proportional to 181,712.40, 270,703.84 and 173,515 is: 258,491.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,712.40 : 270,703.84 = 173,515 : x
  2. Step 2: Convert to fraction form
    181,712.40/270,703.84 = 173,515/x
  3. Step 3: Cross multiply
    181,712.40x = 270,703.84 × 173,515
  4. Step 4: Simplify right side
    181,712.40x = 46,971,176,797.60
  5. Step 5: Solve for x
    x = 46,971,176,797.60/181,712.40
  6. Step 6: Final answer
    x = 258,491.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.