Home / 268,421.70-402,337.32-110,564.04

Finding the Fourth Proportional to 268,421.70, 402,337.32 and 110,564.04

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Solution

The fourth proportional to 268,421.70, 402,337.32 and 110,564.04 is: 165,724.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,421.70 : 402,337.32 = 110,564.04 : x
  2. Step 2: Convert to fraction form
    268,421.70/402,337.32 = 110,564.04/x
  3. Step 3: Cross multiply
    268,421.70x = 402,337.32 × 110,564.04
  4. Step 4: Simplify right side
    268,421.70x = 44,484,039,541.97
  5. Step 5: Solve for x
    x = 44,484,039,541.97/268,421.70
  6. Step 6: Final answer
    x = 165,724.45

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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.