Home / 268,664.59-402,664.71-135,582.91

Finding the Fourth Proportional to 268,664.59, 402,664.71 and 135,582.91

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Solution

The fourth proportional to 268,664.59, 402,664.71 and 135,582.91 is: 203,206.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,664.59 : 402,664.71 = 135,582.91 : x
  2. Step 2: Convert to fraction form
    268,664.59/402,664.71 = 135,582.91/x
  3. Step 3: Cross multiply
    268,664.59x = 402,664.71 × 135,582.91
  4. Step 4: Simplify right side
    268,664.59x = 54,594,453,136.11
  5. Step 5: Solve for x
    x = 54,594,453,136.11/268,664.59
  6. Step 6: Final answer
    x = 203,206.73

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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.