Home / 648,159.72-972,336.78-227,361.48

Finding the Fourth Proportional to 648,159.72, 972,336.78 and 227,361.48

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Solution

The fourth proportional to 648,159.72, 972,336.78 and 227,361.48 is: 341,076.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,159.72 : 972,336.78 = 227,361.48 : x
  2. Step 2: Convert to fraction form
    648,159.72/972,336.78 = 227,361.48/x
  3. Step 3: Cross multiply
    648,159.72x = 972,336.78 × 227,361.48
  4. Step 4: Simplify right side
    648,159.72x = 221,071,929,359.23
  5. Step 5: Solve for x
    x = 221,071,929,359.23/648,159.72
  6. Step 6: Final answer
    x = 341,076.32

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1.5x scale

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.