Home / 286,942.65-430,397.37-109,467.60

Finding the Fourth Proportional to 286,942.65, 430,397.37 and 109,467.60

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Solution

The fourth proportional to 286,942.65, 430,397.37 and 109,467.60 is: 164,195.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,942.65 : 430,397.37 = 109,467.60 : x
  2. Step 2: Convert to fraction form
    286,942.65/430,397.37 = 109,467.60/x
  3. Step 3: Cross multiply
    286,942.65x = 430,397.37 × 109,467.60
  4. Step 4: Simplify right side
    286,942.65x = 47,114,567,140.21
  5. Step 5: Solve for x
    x = 47,114,567,140.21/286,942.65
  6. Step 6: Final answer
    x = 164,195.07

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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.