Home / 380,756.28-571,162.74-114,495.48

Finding the Fourth Proportional to 380,756.28, 571,162.74 and 114,495.48

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Solution

The fourth proportional to 380,756.28, 571,162.74 and 114,495.48 is: 171,751.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,756.28 : 571,162.74 = 114,495.48 : x
  2. Step 2: Convert to fraction form
    380,756.28/571,162.74 = 114,495.48/x
  3. Step 3: Cross multiply
    380,756.28x = 571,162.74 × 114,495.48
  4. Step 4: Simplify right side
    380,756.28x = 65,395,552,074.42
  5. Step 5: Solve for x
    x = 65,395,552,074.42/380,756.28
  6. Step 6: Final answer
    x = 171,751.74

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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.