Home / 627,810.42-941,614.75-172,295.23

Finding the Fourth Proportional to 627,810.42, 941,614.75 and 172,295.23

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Solution

The fourth proportional to 627,810.42, 941,614.75 and 172,295.23 is: 258,415.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,810.42 : 941,614.75 = 172,295.23 : x
  2. Step 2: Convert to fraction form
    627,810.42/941,614.75 = 172,295.23/x
  3. Step 3: Cross multiply
    627,810.42x = 941,614.75 × 172,295.23
  4. Step 4: Simplify right side
    627,810.42x = 162,235,728,580.34
  5. Step 5: Solve for x
    x = 162,235,728,580.34/627,810.42
  6. Step 6: Final answer
    x = 258,415.16

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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.