Home / 661,475.01-992,305.26-212,090.25

Finding the Fourth Proportional to 661,475.01, 992,305.26 and 212,090.25

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Solution

The fourth proportional to 661,475.01, 992,305.26 and 212,090.25 is: 318,165.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,475.01 : 992,305.26 = 212,090.25 : x
  2. Step 2: Convert to fraction form
    661,475.01/992,305.26 = 212,090.25/x
  3. Step 3: Cross multiply
    661,475.01x = 992,305.26 × 212,090.25
  4. Step 4: Simplify right side
    661,475.01x = 210,458,270,669.72
  5. Step 5: Solve for x
    x = 210,458,270,669.72/661,475.01
  6. Step 6: Final answer
    x = 318,165.11

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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.