Home / 307,743.26-424,756.56-180,459.86

Finding the Fourth Proportional to 307,743.26, 424,756.56 and 180,459.86

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Solution

The fourth proportional to 307,743.26, 424,756.56 and 180,459.86 is: 249,076.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,743.26 : 424,756.56 = 180,459.86 : x
  2. Step 2: Convert to fraction form
    307,743.26/424,756.56 = 180,459.86/x
  3. Step 3: Cross multiply
    307,743.26x = 424,756.56 × 180,459.86
  4. Step 4: Simplify right side
    307,743.26x = 76,651,510,413.57
  5. Step 5: Solve for x
    x = 76,651,510,413.57/307,743.26
  6. Step 6: Final answer
    x = 249,076.16

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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.