Home / 263,361.49-363,438.12-142,504.83

Finding the Fourth Proportional to 263,361.49, 363,438.12 and 142,504.83

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Solution

The fourth proportional to 263,361.49, 363,438.12 and 142,504.83 is: 196,656.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,361.49 : 363,438.12 = 142,504.83 : x
  2. Step 2: Convert to fraction form
    263,361.49/363,438.12 = 142,504.83/x
  3. Step 3: Cross multiply
    263,361.49x = 363,438.12 × 142,504.83
  4. Step 4: Simplify right side
    263,361.49x = 51,791,688,040.51
  5. Step 5: Solve for x
    x = 51,791,688,040.51/263,361.49
  6. Step 6: Final answer
    x = 196,656.27

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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.