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Finding the Fourth Proportional to 233,287.70, 349,992.65 and 73,357.18

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Solution

The fourth proportional to 233,287.70, 349,992.65 and 73,357.18 is: 110,054.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,287.70 : 349,992.65 = 73,357.18 : x
  2. Step 2: Convert to fraction form
    233,287.70/349,992.65 = 73,357.18/x
  3. Step 3: Cross multiply
    233,287.70x = 349,992.65 × 73,357.18
  4. Step 4: Simplify right side
    233,287.70x = 25,674,473,133.14
  5. Step 5: Solve for x
    x = 25,674,473,133.14/233,287.70
  6. Step 6: Final answer
    x = 110,054.98

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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.