Home / 242,836.40-334,969.44-189,036.20

Finding the Fourth Proportional to 242,836.40, 334,969.44 and 189,036.20

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Solution

The fourth proportional to 242,836.40, 334,969.44 and 189,036.20 is: 260,757.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,836.40 : 334,969.44 = 189,036.20 : x
  2. Step 2: Convert to fraction form
    242,836.40/334,969.44 = 189,036.20/x
  3. Step 3: Cross multiply
    242,836.40x = 334,969.44 × 189,036.20
  4. Step 4: Simplify right side
    242,836.40x = 63,321,350,053.73
  5. Step 5: Solve for x
    x = 63,321,350,053.73/242,836.40
  6. Step 6: Final answer
    x = 260,757.24

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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.