Home / 342,949.36-514,424.08-143,160.72

Finding the Fourth Proportional to 342,949.36, 514,424.08 and 143,160.72

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Solution

The fourth proportional to 342,949.36, 514,424.08 and 143,160.72 is: 214,741.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,949.36 : 514,424.08 = 143,160.72 : x
  2. Step 2: Convert to fraction form
    342,949.36/514,424.08 = 143,160.72/x
  3. Step 3: Cross multiply
    342,949.36x = 514,424.08 × 143,160.72
  4. Step 4: Simplify right side
    342,949.36x = 73,645,321,678.14
  5. Step 5: Solve for x
    x = 73,645,321,678.14/342,949.36
  6. Step 6: Final answer
    x = 214,741.10

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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.