Home / 249,344.37-374,069.10-80,851.57

Finding the Fourth Proportional to 249,344.37, 374,069.10 and 80,851.57

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Solution

The fourth proportional to 249,344.37, 374,069.10 and 80,851.57 is: 121,294.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,344.37 : 374,069.10 = 80,851.57 : x
  2. Step 2: Convert to fraction form
    249,344.37/374,069.10 = 80,851.57/x
  3. Step 3: Cross multiply
    249,344.37x = 374,069.10 × 80,851.57
  4. Step 4: Simplify right side
    249,344.37x = 30,244,073,391.51
  5. Step 5: Solve for x
    x = 30,244,073,391.51/249,344.37
  6. Step 6: Final answer
    x = 121,294.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.