Home / 291,911.79-437,731.59-151,632.75

Finding the Fourth Proportional to 291,911.79, 437,731.59 and 151,632.75

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Solution

The fourth proportional to 291,911.79, 437,731.59 and 151,632.75 is: 227,378.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,911.79 : 437,731.59 = 151,632.75 : x
  2. Step 2: Convert to fraction form
    291,911.79/437,731.59 = 151,632.75/x
  3. Step 3: Cross multiply
    291,911.79x = 437,731.59 × 151,632.75
  4. Step 4: Simplify right side
    291,911.79x = 66,374,444,753.57
  5. Step 5: Solve for x
    x = 66,374,444,753.57/291,911.79
  6. Step 6: Final answer
    x = 227,378.43

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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.