Home / 268,824.80-402,848.40-118,942.40

Finding the Fourth Proportional to 268,824.80, 402,848.40 and 118,942.40

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Solution

The fourth proportional to 268,824.80, 402,848.40 and 118,942.40 is: 178,241.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,824.80 : 402,848.40 = 118,942.40 : x
  2. Step 2: Convert to fraction form
    268,824.80/402,848.40 = 118,942.40/x
  3. Step 3: Cross multiply
    268,824.80x = 402,848.40 × 118,942.40
  4. Step 4: Simplify right side
    268,824.80x = 47,915,755,532.16
  5. Step 5: Solve for x
    x = 47,915,755,532.16/268,824.80
  6. Step 6: Final answer
    x = 178,241.57

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1.5x scale

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.