Home / 266,729.80-368,121.94-153,557.32

Finding the Fourth Proportional to 266,729.80, 368,121.94 and 153,557.32

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Solution

The fourth proportional to 266,729.80, 368,121.94 and 153,557.32 is: 211,929.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,729.80 : 368,121.94 = 153,557.32 : x
  2. Step 2: Convert to fraction form
    266,729.80/368,121.94 = 153,557.32/x
  3. Step 3: Cross multiply
    266,729.80x = 368,121.94 × 153,557.32
  4. Step 4: Simplify right side
    266,729.80x = 56,527,818,539.60
  5. Step 5: Solve for x
    x = 56,527,818,539.60/266,729.80
  6. Step 6: Final answer
    x = 211,929.15

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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.