Home / 307,866.96-424,744.02-180,517.86

Finding the Fourth Proportional to 307,866.96, 424,744.02 and 180,517.86

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Solution

The fourth proportional to 307,866.96, 424,744.02 and 180,517.86 is: 249,048.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,866.96 : 424,744.02 = 180,517.86 : x
  2. Step 2: Convert to fraction form
    307,866.96/424,744.02 = 180,517.86/x
  3. Step 3: Cross multiply
    307,866.96x = 424,744.02 × 180,517.86
  4. Step 4: Simplify right side
    307,866.96x = 76,673,881,538.20
  5. Step 5: Solve for x
    x = 76,673,881,538.20/307,866.96
  6. Step 6: Final answer
    x = 249,048.75

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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.