Home / 677,241.78-1,015,852.32-164,911.71

Finding the Fourth Proportional to 677,241.78, 1,015,852.32 and 164,911.71

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Solution

The fourth proportional to 677,241.78, 1,015,852.32 and 164,911.71 is: 247,365.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,241.78 : 1,015,852.32 = 164,911.71 : x
  2. Step 2: Convert to fraction form
    677,241.78/1,015,852.32 = 164,911.71/x
  3. Step 3: Cross multiply
    677,241.78x = 1,015,852.32 × 164,911.71
  4. Step 4: Simplify right side
    677,241.78x = 167,525,943,198.67
  5. Step 5: Solve for x
    x = 167,525,943,198.67/677,241.78
  6. Step 6: Final answer
    x = 247,365.04

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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.