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Finding the Fourth Proportional to 375,657.22, 563,551.44 and 165,289.69

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Solution

The fourth proportional to 375,657.22, 563,551.44 and 165,289.69 is: 247,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,657.22 : 563,551.44 = 165,289.69 : x
  2. Step 2: Convert to fraction form
    375,657.22/563,551.44 = 165,289.69/x
  3. Step 3: Cross multiply
    375,657.22x = 563,551.44 × 165,289.69
  4. Step 4: Simplify right side
    375,657.22x = 93,149,242,816.65
  5. Step 5: Solve for x
    x = 93,149,242,816.65/375,657.22
  6. Step 6: Final answer
    x = 247,963.40

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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.