Home / 268,828.80-402,854.40-118,946.40

Finding the Fourth Proportional to 268,828.80, 402,854.40 and 118,946.40

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Solution

The fourth proportional to 268,828.80, 402,854.40 and 118,946.40 is: 178,247.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,828.80 : 402,854.40 = 118,946.40 : x
  2. Step 2: Convert to fraction form
    268,828.80/402,854.40 = 118,946.40/x
  3. Step 3: Cross multiply
    268,828.80x = 402,854.40 × 118,946.40
  4. Step 4: Simplify right side
    268,828.80x = 47,918,080,604.16
  5. Step 5: Solve for x
    x = 47,918,080,604.16/268,828.80
  6. Step 6: Final answer
    x = 178,247.57

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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.