Home / 476,127.98-657,054.81-261,271.64

Finding the Fourth Proportional to 476,127.98, 657,054.81 and 261,271.64

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Solution

The fourth proportional to 476,127.98, 657,054.81 and 261,271.64 is: 360,553.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,127.98 : 657,054.81 = 261,271.64 : x
  2. Step 2: Convert to fraction form
    476,127.98/657,054.81 = 261,271.64/x
  3. Step 3: Cross multiply
    476,127.98x = 657,054.81 × 261,271.64
  4. Step 4: Simplify right side
    476,127.98x = 171,669,787,778.59
  5. Step 5: Solve for x
    x = 171,669,787,778.59/476,127.98
  6. Step 6: Final answer
    x = 360,553.87

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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.