Home / 499,939.48-750,019.38-144,968.32

Finding the Fourth Proportional to 499,939.48, 750,019.38 and 144,968.32

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Solution

The fourth proportional to 499,939.48, 750,019.38 and 144,968.32 is: 217,484.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,939.48 : 750,019.38 = 144,968.32 : x
  2. Step 2: Convert to fraction form
    499,939.48/750,019.38 = 144,968.32/x
  3. Step 3: Cross multiply
    499,939.48x = 750,019.38 × 144,968.32
  4. Step 4: Simplify right side
    499,939.48x = 108,729,049,486.04
  5. Step 5: Solve for x
    x = 108,729,049,486.04/499,939.48
  6. Step 6: Final answer
    x = 217,484.42

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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.