Home / 255,462.40-352,544.34-142,287.04

Finding the Fourth Proportional to 255,462.40, 352,544.34 and 142,287.04

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Solution

The fourth proportional to 255,462.40, 352,544.34 and 142,287.04 is: 196,359.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,462.40 : 352,544.34 = 142,287.04 : x
  2. Step 2: Convert to fraction form
    255,462.40/352,544.34 = 142,287.04/x
  3. Step 3: Cross multiply
    255,462.40x = 352,544.34 × 142,287.04
  4. Step 4: Simplify right side
    255,462.40x = 50,162,490,607.35
  5. Step 5: Solve for x
    x = 50,162,490,607.35/255,462.40
  6. Step 6: Final answer
    x = 196,359.58

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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.