Home / 409,155.14-613,629.03-172,495.94

Finding the Fourth Proportional to 409,155.14, 613,629.03 and 172,495.94

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Solution

The fourth proportional to 409,155.14, 613,629.03 and 172,495.94 is: 258,700.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,155.14 : 613,629.03 = 172,495.94 : x
  2. Step 2: Convert to fraction form
    409,155.14/613,629.03 = 172,495.94/x
  3. Step 3: Cross multiply
    409,155.14x = 613,629.03 × 172,495.94
  4. Step 4: Simplify right side
    409,155.14x = 105,848,516,341.14
  5. Step 5: Solve for x
    x = 105,848,516,341.14/409,155.14
  6. Step 6: Final answer
    x = 258,700.20

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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.