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Finding the Fourth Proportional to 375,961.16, 564,089.44 and 165,451.48

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Solution

The fourth proportional to 375,961.16, 564,089.44 and 165,451.48 is: 248,242.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,961.16 : 564,089.44 = 165,451.48 : x
  2. Step 2: Convert to fraction form
    375,961.16/564,089.44 = 165,451.48/x
  3. Step 3: Cross multiply
    375,961.16x = 564,089.44 × 165,451.48
  4. Step 4: Simplify right side
    375,961.16x = 93,329,432,700.37
  5. Step 5: Solve for x
    x = 93,329,432,700.37/375,961.16
  6. Step 6: Final answer
    x = 248,242.22

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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.