Home / 476,208.16-657,145.60-261,343.96

Finding the Fourth Proportional to 476,208.16, 657,145.60 and 261,343.96

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Solution

The fourth proportional to 476,208.16, 657,145.60 and 261,343.96 is: 360,642.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,208.16 : 657,145.60 = 261,343.96 : x
  2. Step 2: Convert to fraction form
    476,208.16/657,145.60 = 261,343.96/x
  3. Step 3: Cross multiply
    476,208.16x = 657,145.60 × 261,343.96
  4. Step 4: Simplify right side
    476,208.16x = 171,741,033,400.58
  5. Step 5: Solve for x
    x = 171,741,033,400.58/476,208.16
  6. Step 6: Final answer
    x = 360,642.78

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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.