Home / 342,923.02-514,301.45-143,135.10

Finding the Fourth Proportional to 342,923.02, 514,301.45 and 143,135.10

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Solution

The fourth proportional to 342,923.02, 514,301.45 and 143,135.10 is: 214,667.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,923.02 : 514,301.45 = 143,135.10 : x
  2. Step 2: Convert to fraction form
    342,923.02/514,301.45 = 143,135.10/x
  3. Step 3: Cross multiply
    342,923.02x = 514,301.45 × 143,135.10
  4. Step 4: Simplify right side
    342,923.02x = 73,614,589,833.73
  5. Step 5: Solve for x
    x = 73,614,589,833.73/342,923.02
  6. Step 6: Final answer
    x = 214,667.98

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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.