Home / 263,485.40-363,609.93-142,626.30

Finding the Fourth Proportional to 263,485.40, 363,609.93 and 142,626.30

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Solution

The fourth proportional to 263,485.40, 363,609.93 and 142,626.30 is: 196,824.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,485.40 : 363,609.93 = 142,626.30 : x
  2. Step 2: Convert to fraction form
    263,485.40/363,609.93 = 142,626.30/x
  3. Step 3: Cross multiply
    263,485.40x = 363,609.93 × 142,626.30
  4. Step 4: Simplify right side
    263,485.40x = 51,860,338,959.16
  5. Step 5: Solve for x
    x = 51,860,338,959.16/263,485.40
  6. Step 6: Final answer
    x = 196,824.34

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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.