Home / 342,975.06-514,462.79-143,186.54

Finding the Fourth Proportional to 342,975.06, 514,462.79 and 143,186.54

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Solution

The fourth proportional to 342,975.06, 514,462.79 and 143,186.54 is: 214,779.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,975.06 : 514,462.79 = 143,186.54 : x
  2. Step 2: Convert to fraction form
    342,975.06/514,462.79 = 143,186.54/x
  3. Step 3: Cross multiply
    342,975.06x = 514,462.79 × 143,186.54
  4. Step 4: Simplify right side
    342,975.06x = 73,664,144,644.50
  5. Step 5: Solve for x
    x = 73,664,144,644.50/342,975.06
  6. Step 6: Final answer
    x = 214,779.89

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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.