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Finding the Fourth Proportional to 268,293.66, 370,164.51 and 160,824.48

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Solution

The fourth proportional to 268,293.66, 370,164.51 and 160,824.48 is: 221,889.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,293.66 : 370,164.51 = 160,824.48 : x
  2. Step 2: Convert to fraction form
    268,293.66/370,164.51 = 160,824.48/x
  3. Step 3: Cross multiply
    268,293.66x = 370,164.51 × 160,824.48
  4. Step 4: Simplify right side
    268,293.66x = 59,531,512,180.26
  5. Step 5: Solve for x
    x = 59,531,512,180.26/268,293.66
  6. Step 6: Final answer
    x = 221,889.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.