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Finding the Fourth Proportional to 615,169.46, 922,802.50 and 165,883.56

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Solution

The fourth proportional to 615,169.46, 922,802.50 and 165,883.56 is: 248,838.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,169.46 : 922,802.50 = 165,883.56 : x
  2. Step 2: Convert to fraction form
    615,169.46/922,802.50 = 165,883.56/x
  3. Step 3: Cross multiply
    615,169.46x = 922,802.50 × 165,883.56
  4. Step 4: Simplify right side
    615,169.46x = 153,077,763,876.90
  5. Step 5: Solve for x
    x = 153,077,763,876.90/615,169.46
  6. Step 6: Final answer
    x = 248,838.37

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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.