Home / 268,289.16-402,432.30-68,609.22

Finding the Fourth Proportional to 268,289.16, 402,432.30 and 68,609.22

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Solution

The fourth proportional to 268,289.16, 402,432.30 and 68,609.22 is: 102,913.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,289.16 : 402,432.30 = 68,609.22 : x
  2. Step 2: Convert to fraction form
    268,289.16/402,432.30 = 68,609.22/x
  3. Step 3: Cross multiply
    268,289.16x = 402,432.30 × 68,609.22
  4. Step 4: Simplify right side
    268,289.16x = 27,610,566,205.81
  5. Step 5: Solve for x
    x = 27,610,566,205.81/268,289.16
  6. Step 6: Final answer
    x = 102,913.46

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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.