Home / 407,150.10-610,725.15-306,110.70

Finding the Fourth Proportional to 407,150.10, 610,725.15 and 306,110.70

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Solution

The fourth proportional to 407,150.10, 610,725.15 and 306,110.70 is: 459,166.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,150.10 : 610,725.15 = 306,110.70 : x
  2. Step 2: Convert to fraction form
    407,150.10/610,725.15 = 306,110.70/x
  3. Step 3: Cross multiply
    407,150.10x = 610,725.15 × 306,110.70
  4. Step 4: Simplify right side
    407,150.10x = 186,949,503,174.11
  5. Step 5: Solve for x
    x = 186,949,503,174.11/407,150.10
  6. Step 6: Final answer
    x = 459,166.05

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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.