Home / 263,207.18-363,224.72-142,348.55

Finding the Fourth Proportional to 263,207.18, 363,224.72 and 142,348.55

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Solution

The fourth proportional to 263,207.18, 363,224.72 and 142,348.55 is: 196,440.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,207.18 : 363,224.72 = 142,348.55 : x
  2. Step 2: Convert to fraction form
    263,207.18/363,224.72 = 142,348.55/x
  3. Step 3: Cross multiply
    263,207.18x = 363,224.72 × 142,348.55
  4. Step 4: Simplify right side
    263,207.18x = 51,704,509,688.29
  5. Step 5: Solve for x
    x = 51,704,509,688.29/263,207.18
  6. Step 6: Final answer
    x = 196,440.35

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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.