Home / 255,440.46-352,507.83-142,263.21

Finding the Fourth Proportional to 255,440.46, 352,507.83 and 142,263.21

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Solution

The fourth proportional to 255,440.46, 352,507.83 and 142,263.21 is: 196,323.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,440.46 : 352,507.83 = 142,263.21 : x
  2. Step 2: Convert to fraction form
    255,440.46/352,507.83 = 142,263.21/x
  3. Step 3: Cross multiply
    255,440.46x = 352,507.83 × 142,263.21
  4. Step 4: Simplify right side
    255,440.46x = 50,148,895,445.93
  5. Step 5: Solve for x
    x = 50,148,895,445.93/255,440.46
  6. Step 6: Final answer
    x = 196,323.23

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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.