Home / 255,464.64-352,552.04-142,287.40

Finding the Fourth Proportional to 255,464.64, 352,552.04 and 142,287.40

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Solution

The fourth proportional to 255,464.64, 352,552.04 and 142,287.40 is: 196,362.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,464.64 : 352,552.04 = 142,287.40 : x
  2. Step 2: Convert to fraction form
    255,464.64/352,552.04 = 142,287.40/x
  3. Step 3: Cross multiply
    255,464.64x = 352,552.04 × 142,287.40
  4. Step 4: Simplify right side
    255,464.64x = 50,163,713,136.30
  5. Step 5: Solve for x
    x = 50,163,713,136.30/255,464.64
  6. Step 6: Final answer
    x = 196,362.65

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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.