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Finding the Fourth Proportional to 239,457.36, 359,173.08 and 73,245.36

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Solution

The fourth proportional to 239,457.36, 359,173.08 and 73,245.36 is: 109,864.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,457.36 : 359,173.08 = 73,245.36 : x
  2. Step 2: Convert to fraction form
    239,457.36/359,173.08 = 73,245.36/x
  3. Step 3: Cross multiply
    239,457.36x = 359,173.08 × 73,245.36
  4. Step 4: Simplify right side
    239,457.36x = 26,307,761,546.91
  5. Step 5: Solve for x
    x = 26,307,761,546.91/239,457.36
  6. Step 6: Final answer
    x = 109,864.08

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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.