Home / 307,943.81-424,941.29-170,116.64

Finding the Fourth Proportional to 307,943.81, 424,941.29 and 170,116.64

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Solution

The fourth proportional to 307,943.81, 424,941.29 and 170,116.64 is: 234,749.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,943.81 : 424,941.29 = 170,116.64 : x
  2. Step 2: Convert to fraction form
    307,943.81/424,941.29 = 170,116.64/x
  3. Step 3: Cross multiply
    307,943.81x = 424,941.29 × 170,116.64
  4. Step 4: Simplify right side
    307,943.81x = 72,289,581,476.78
  5. Step 5: Solve for x
    x = 72,289,581,476.78/307,943.81
  6. Step 6: Final answer
    x = 234,749.26

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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.