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Finding the Fourth Proportional to 270,852.72, 373,660.80 and 163,361.52

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Solution

The fourth proportional to 270,852.72, 373,660.80 and 163,361.52 is: 225,368.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,852.72 : 373,660.80 = 163,361.52 : x
  2. Step 2: Convert to fraction form
    270,852.72/373,660.80 = 163,361.52/x
  3. Step 3: Cross multiply
    270,852.72x = 373,660.80 × 163,361.52
  4. Step 4: Simplify right side
    270,852.72x = 61,041,796,252.42
  5. Step 5: Solve for x
    x = 61,041,796,252.42/270,852.72
  6. Step 6: Final answer
    x = 225,368.96

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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.