Home / 268,079.37-402,099.89-155,689.44

Finding the Fourth Proportional to 268,079.37, 402,099.89 and 155,689.44

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Solution

The fourth proportional to 268,079.37, 402,099.89 and 155,689.44 is: 233,523.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,079.37 : 402,099.89 = 155,689.44 : x
  2. Step 2: Convert to fraction form
    268,079.37/402,099.89 = 155,689.44/x
  3. Step 3: Cross multiply
    268,079.37x = 402,099.89 × 155,689.44
  4. Step 4: Simplify right side
    268,079.37x = 62,602,705,919.71
  5. Step 5: Solve for x
    x = 62,602,705,919.71/268,079.37
  6. Step 6: Final answer
    x = 233,523.03

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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.