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Finding the Fourth Proportional to 250,606.48, 375,903.47 and 73,115.05

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Solution

The fourth proportional to 250,606.48, 375,903.47 and 73,115.05 is: 109,670.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,606.48 : 375,903.47 = 73,115.05 : x
  2. Step 2: Convert to fraction form
    250,606.48/375,903.47 = 73,115.05/x
  3. Step 3: Cross multiply
    250,606.48x = 375,903.47 × 73,115.05
  4. Step 4: Simplify right side
    250,606.48x = 27,484,200,638.65
  5. Step 5: Solve for x
    x = 27,484,200,638.65/250,606.48
  6. Step 6: Final answer
    x = 109,670.75

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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.