Home / 522,731.93-784,106.50-143,650.30

Finding the Fourth Proportional to 522,731.93, 784,106.50 and 143,650.30

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Solution

The fourth proportional to 522,731.93, 784,106.50 and 143,650.30 is: 215,477.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,731.93 : 784,106.50 = 143,650.30 : x
  2. Step 2: Convert to fraction form
    522,731.93/784,106.50 = 143,650.30/x
  3. Step 3: Cross multiply
    522,731.93x = 784,106.50 × 143,650.30
  4. Step 4: Simplify right side
    522,731.93x = 112,637,131,637.56
  5. Step 5: Solve for x
    x = 112,637,131,637.56/522,731.93
  6. Step 6: Final answer
    x = 215,477.81

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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.