Home / 307,784.16-424,763.56-171,844.88

Finding the Fourth Proportional to 307,784.16, 424,763.56 and 171,844.88

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Solution

The fourth proportional to 307,784.16, 424,763.56 and 171,844.88 is: 237,157.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,784.16 : 424,763.56 = 171,844.88 : x
  2. Step 2: Convert to fraction form
    307,784.16/424,763.56 = 171,844.88/x
  3. Step 3: Cross multiply
    307,784.16x = 424,763.56 × 171,844.88
  4. Step 4: Simplify right side
    307,784.16x = 72,993,442,996.57
  5. Step 5: Solve for x
    x = 72,993,442,996.57/307,784.16
  6. Step 6: Final answer
    x = 237,157.89

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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.