Home / 380,096.20-570,071.40-113,865.40

Finding the Fourth Proportional to 380,096.20, 570,071.40 and 113,865.40

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Solution

The fourth proportional to 380,096.20, 570,071.40 and 113,865.40 is: 170,776.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,096.20 : 570,071.40 = 113,865.40 : x
  2. Step 2: Convert to fraction form
    380,096.20/570,071.40 = 113,865.40/x
  3. Step 3: Cross multiply
    380,096.20x = 570,071.40 × 113,865.40
  4. Step 4: Simplify right side
    380,096.20x = 64,911,407,989.56
  5. Step 5: Solve for x
    x = 64,911,407,989.56/380,096.20
  6. Step 6: Final answer
    x = 170,776.26

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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.