Home / 307,968.75-424,954.89-171,985.32

Finding the Fourth Proportional to 307,968.75, 424,954.89 and 171,985.32

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Solution

The fourth proportional to 307,968.75, 424,954.89 and 171,985.32 is: 237,316.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,968.75 : 424,954.89 = 171,985.32 : x
  2. Step 2: Convert to fraction form
    307,968.75/424,954.89 = 171,985.32/x
  3. Step 3: Cross multiply
    307,968.75x = 424,954.89 × 171,985.32
  4. Step 4: Simplify right side
    307,968.75x = 73,086,002,742.21
  5. Step 5: Solve for x
    x = 73,086,002,742.21/307,968.75
  6. Step 6: Final answer
    x = 237,316.30

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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.