Home / 260,239.98-390,094.05-147,682.47

Finding the Fourth Proportional to 260,239.98, 390,094.05 and 147,682.47

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Solution

The fourth proportional to 260,239.98, 390,094.05 and 147,682.47 is: 221,372.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,239.98 : 390,094.05 = 147,682.47 : x
  2. Step 2: Convert to fraction form
    260,239.98/390,094.05 = 147,682.47/x
  3. Step 3: Cross multiply
    260,239.98x = 390,094.05 × 147,682.47
  4. Step 4: Simplify right side
    260,239.98x = 57,610,052,836.30
  5. Step 5: Solve for x
    x = 57,610,052,836.30/260,239.98
  6. Step 6: Final answer
    x = 221,372.80

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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.