Home / 373,265.42-515,170.14-258,710.36

Finding the Fourth Proportional to 373,265.42, 515,170.14 and 258,710.36

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Solution

The fourth proportional to 373,265.42, 515,170.14 and 258,710.36 is: 357,064.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,265.42 : 515,170.14 = 258,710.36 : x
  2. Step 2: Convert to fraction form
    373,265.42/515,170.14 = 258,710.36/x
  3. Step 3: Cross multiply
    373,265.42x = 515,170.14 × 258,710.36
  4. Step 4: Simplify right side
    373,265.42x = 133,279,852,380.65
  5. Step 5: Solve for x
    x = 133,279,852,380.65/373,265.42
  6. Step 6: Final answer
    x = 357,064.56

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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.