Home / 281,266.02-388,156.39-153,941.58

Finding the Fourth Proportional to 281,266.02, 388,156.39 and 153,941.58

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Solution

The fourth proportional to 281,266.02, 388,156.39 and 153,941.58 is: 212,444.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,266.02 : 388,156.39 = 153,941.58 : x
  2. Step 2: Convert to fraction form
    281,266.02/388,156.39 = 153,941.58/x
  3. Step 3: Cross multiply
    281,266.02x = 388,156.39 × 153,941.58
  4. Step 4: Simplify right side
    281,266.02x = 59,753,407,578.84
  5. Step 5: Solve for x
    x = 59,753,407,578.84/281,266.02
  6. Step 6: Final answer
    x = 212,444.46

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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.