Home / 511,398.84-766,975.20-156,415.92

Finding the Fourth Proportional to 511,398.84, 766,975.20 and 156,415.92

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Solution

The fourth proportional to 511,398.84, 766,975.20 and 156,415.92 is: 234,586.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,398.84 : 766,975.20 = 156,415.92 : x
  2. Step 2: Convert to fraction form
    511,398.84/766,975.20 = 156,415.92/x
  3. Step 3: Cross multiply
    511,398.84x = 766,975.20 × 156,415.92
  4. Step 4: Simplify right side
    511,398.84x = 119,967,131,525.18
  5. Step 5: Solve for x
    x = 119,967,131,525.18/511,398.84
  6. Step 6: Final answer
    x = 234,586.24

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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.