Home / 258,729.28-357,045.84-145,552.02

Finding the Fourth Proportional to 258,729.28, 357,045.84 and 145,552.02

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Solution

The fourth proportional to 258,729.28, 357,045.84 and 145,552.02 is: 200,861.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,729.28 : 357,045.84 = 145,552.02 : x
  2. Step 2: Convert to fraction form
    258,729.28/357,045.84 = 145,552.02/x
  3. Step 3: Cross multiply
    258,729.28x = 357,045.84 × 145,552.02
  4. Step 4: Simplify right side
    258,729.28x = 51,968,743,244.60
  5. Step 5: Solve for x
    x = 51,968,743,244.60/258,729.28
  6. Step 6: Final answer
    x = 200,861.47

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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.