Home / 367,421.08-507,070.40-206,286.72

Finding the Fourth Proportional to 367,421.08, 507,070.40 and 206,286.72

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Solution

The fourth proportional to 367,421.08, 507,070.40 and 206,286.72 is: 284,692.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,421.08 : 507,070.40 = 206,286.72 : x
  2. Step 2: Convert to fraction form
    367,421.08/507,070.40 = 206,286.72/x
  3. Step 3: Cross multiply
    367,421.08x = 507,070.40 × 206,286.72
  4. Step 4: Simplify right side
    367,421.08x = 104,601,889,625.09
  5. Step 5: Solve for x
    x = 104,601,889,625.09/367,421.08
  6. Step 6: Final answer
    x = 284,692.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.