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Finding the Fourth Proportional to 285,752.53, 428,328.73 and 96,147.07

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Solution

The fourth proportional to 285,752.53, 428,328.73 and 96,147.07 is: 144,119.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,752.53 : 428,328.73 = 96,147.07 : x
  2. Step 2: Convert to fraction form
    285,752.53/428,328.73 = 96,147.07/x
  3. Step 3: Cross multiply
    285,752.53x = 428,328.73 × 96,147.07
  4. Step 4: Simplify right side
    285,752.53x = 41,182,551,905.59
  5. Step 5: Solve for x
    x = 41,182,551,905.59/285,752.53
  6. Step 6: Final answer
    x = 144,119.64

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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.