Home / 269,235.45-403,361.10-163,931.40

Finding the Fourth Proportional to 269,235.45, 403,361.10 and 163,931.40

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Solution

The fourth proportional to 269,235.45, 403,361.10 and 163,931.40 is: 245,597.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,235.45 : 403,361.10 = 163,931.40 : x
  2. Step 2: Convert to fraction form
    269,235.45/403,361.10 = 163,931.40/x
  3. Step 3: Cross multiply
    269,235.45x = 403,361.10 × 163,931.40
  4. Step 4: Simplify right side
    269,235.45x = 66,123,549,828.54
  5. Step 5: Solve for x
    x = 66,123,549,828.54/269,235.45
  6. Step 6: Final answer
    x = 245,597.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.