Home / 247,274.36-370,941.28-87,317.38

Finding the Fourth Proportional to 247,274.36, 370,941.28 and 87,317.38

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Solution

The fourth proportional to 247,274.36, 370,941.28 and 87,317.38 is: 130,986.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,274.36 : 370,941.28 = 87,317.38 : x
  2. Step 2: Convert to fraction form
    247,274.36/370,941.28 = 87,317.38/x
  3. Step 3: Cross multiply
    247,274.36x = 370,941.28 × 87,317.38
  4. Step 4: Simplify right side
    247,274.36x = 32,389,619,557.80
  5. Step 5: Solve for x
    x = 32,389,619,557.80/247,274.36
  6. Step 6: Final answer
    x = 130,986.57

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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.