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Finding the Fourth Proportional to 314,750.89, 434,356.41 and 171,510.88

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Solution

The fourth proportional to 314,750.89, 434,356.41 and 171,510.88 is: 236,685.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,750.89 : 434,356.41 = 171,510.88 : x
  2. Step 2: Convert to fraction form
    314,750.89/434,356.41 = 171,510.88/x
  3. Step 3: Cross multiply
    314,750.89x = 434,356.41 × 171,510.88
  4. Step 4: Simplify right side
    314,750.89x = 74,496,850,112.74
  5. Step 5: Solve for x
    x = 74,496,850,112.74/314,750.89
  6. Step 6: Final answer
    x = 236,685.11

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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.