Home / 281,344.02-388,435.80-251,077.32

Finding the Fourth Proportional to 281,344.02, 388,435.80 and 251,077.32

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Solution

The fourth proportional to 281,344.02, 388,435.80 and 251,077.32 is: 346,648.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,344.02 : 388,435.80 = 251,077.32 : x
  2. Step 2: Convert to fraction form
    281,344.02/388,435.80 = 251,077.32/x
  3. Step 3: Cross multiply
    281,344.02x = 388,435.80 × 251,077.32
  4. Step 4: Simplify right side
    281,344.02x = 97,527,419,656.06
  5. Step 5: Solve for x
    x = 97,527,419,656.06/281,344.02
  6. Step 6: Final answer
    x = 346,648.28

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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.