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Finding the Fourth Proportional to 259,154.79, 357,625.58 and 145,975.11

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Solution

The fourth proportional to 259,154.79, 357,625.58 and 145,975.11 is: 201,441.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,154.79 : 357,625.58 = 145,975.11 : x
  2. Step 2: Convert to fraction form
    259,154.79/357,625.58 = 145,975.11/x
  3. Step 3: Cross multiply
    259,154.79x = 357,625.58 × 145,975.11
  4. Step 4: Simplify right side
    259,154.79x = 52,204,432,649.44
  5. Step 5: Solve for x
    x = 52,204,432,649.44/259,154.79
  6. Step 6: Final answer
    x = 201,441.13

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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.