Home / 338,467.44-507,715.18-279,192.72

Finding the Fourth Proportional to 338,467.44, 507,715.18 and 279,192.72

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Solution

The fourth proportional to 338,467.44, 507,715.18 and 279,192.72 is: 418,800.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,467.44 : 507,715.18 = 279,192.72 : x
  2. Step 2: Convert to fraction form
    338,467.44/507,715.18 = 279,192.72/x
  3. Step 3: Cross multiply
    338,467.44x = 507,715.18 × 279,192.72
  4. Step 4: Simplify right side
    338,467.44x = 141,750,382,089.49
  5. Step 5: Solve for x
    x = 141,750,382,089.49/338,467.44
  6. Step 6: Final answer
    x = 418,800.64

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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.