Home / 342,933.83-514,400.81-143,145.23

Finding the Fourth Proportional to 342,933.83, 514,400.81 and 143,145.23

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Solution

The fourth proportional to 342,933.83, 514,400.81 and 143,145.23 is: 214,717.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,933.83 : 514,400.81 = 143,145.23 : x
  2. Step 2: Convert to fraction form
    342,933.83/514,400.81 = 143,145.23/x
  3. Step 3: Cross multiply
    342,933.83x = 514,400.81 × 143,145.23
  4. Step 4: Simplify right side
    342,933.83x = 73,634,021,543.91
  5. Step 5: Solve for x
    x = 73,634,021,543.91/342,933.83
  6. Step 6: Final answer
    x = 214,717.87

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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.