Home / 307,766.94-424,739.86-171,827.60

Finding the Fourth Proportional to 307,766.94, 424,739.86 and 171,827.60

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Solution

The fourth proportional to 307,766.94, 424,739.86 and 171,827.60 is: 237,134.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,766.94 : 424,739.86 = 171,827.60 : x
  2. Step 2: Convert to fraction form
    307,766.94/424,739.86 = 171,827.60/x
  3. Step 3: Cross multiply
    307,766.94x = 424,739.86 × 171,827.60
  4. Step 4: Simplify right side
    307,766.94x = 72,982,030,768.14
  5. Step 5: Solve for x
    x = 72,982,030,768.14/307,766.94
  6. Step 6: Final answer
    x = 237,134.08

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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.