Home / 306,144.62-459,258.51-106,439.18

Finding the Fourth Proportional to 306,144.62, 459,258.51 and 106,439.18

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Solution

The fourth proportional to 306,144.62, 459,258.51 and 106,439.18 is: 159,673.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,144.62 : 459,258.51 = 106,439.18 : x
  2. Step 2: Convert to fraction form
    306,144.62/459,258.51 = 106,439.18/x
  3. Step 3: Cross multiply
    306,144.62x = 459,258.51 × 106,439.18
  4. Step 4: Simplify right side
    306,144.62x = 48,883,096,916.13
  5. Step 5: Solve for x
    x = 48,883,096,916.13/306,144.62
  6. Step 6: Final answer
    x = 159,673.22

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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.