Home / 211,025.20-316,683.60-151,911.40

Finding the Fourth Proportional to 211,025.20, 316,683.60 and 151,911.40

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Solution

The fourth proportional to 211,025.20, 316,683.60 and 151,911.40 is: 227,972.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,025.20 : 316,683.60 = 151,911.40 : x
  2. Step 2: Convert to fraction form
    211,025.20/316,683.60 = 151,911.40/x
  3. Step 3: Cross multiply
    211,025.20x = 316,683.60 × 151,911.40
  4. Step 4: Simplify right side
    211,025.20x = 48,107,849,033.04
  5. Step 5: Solve for x
    x = 48,107,849,033.04/211,025.20
  6. Step 6: Final answer
    x = 227,972.06

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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.