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Finding the Fourth Proportional to 304,239.78, 419,808.42 and 175,158.18

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Solution

The fourth proportional to 304,239.78, 419,808.42 and 175,158.18 is: 241,693.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,239.78 : 419,808.42 = 175,158.18 : x
  2. Step 2: Convert to fraction form
    304,239.78/419,808.42 = 175,158.18/x
  3. Step 3: Cross multiply
    304,239.78x = 419,808.42 × 175,158.18
  4. Step 4: Simplify right side
    304,239.78x = 73,532,878,795.88
  5. Step 5: Solve for x
    x = 73,532,878,795.88/304,239.78
  6. Step 6: Final answer
    x = 241,693.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.