Home / 307,675.20-424,613.08-171,735.60

Finding the Fourth Proportional to 307,675.20, 424,613.08 and 171,735.60

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Solution

The fourth proportional to 307,675.20, 424,613.08 and 171,735.60 is: 237,007.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,675.20 : 424,613.08 = 171,735.60 : x
  2. Step 2: Convert to fraction form
    307,675.20/424,613.08 = 171,735.60/x
  3. Step 3: Cross multiply
    307,675.20x = 424,613.08 × 171,735.60
  4. Step 4: Simplify right side
    307,675.20x = 72,921,182,061.65
  5. Step 5: Solve for x
    x = 72,921,182,061.65/307,675.20
  6. Step 6: Final answer
    x = 237,007.02

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1.5x scale

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.