Home / 286,450.89-395,137.74-178,834.08

Finding the Fourth Proportional to 286,450.89, 395,137.74 and 178,834.08

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Solution

The fourth proportional to 286,450.89, 395,137.74 and 178,834.08 is: 246,688.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,450.89 : 395,137.74 = 178,834.08 : x
  2. Step 2: Convert to fraction form
    286,450.89/395,137.74 = 178,834.08/x
  3. Step 3: Cross multiply
    286,450.89x = 395,137.74 × 178,834.08
  4. Step 4: Simplify right side
    286,450.89x = 70,664,094,206.18
  5. Step 5: Solve for x
    x = 70,664,094,206.18/286,450.89
  6. Step 6: Final answer
    x = 246,688.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.