Home / 476,181.50-657,109.79-261,325.15

Finding the Fourth Proportional to 476,181.50, 657,109.79 and 261,325.15

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Solution

The fourth proportional to 476,181.50, 657,109.79 and 261,325.15 is: 360,617.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,181.50 : 657,109.79 = 261,325.15 : x
  2. Step 2: Convert to fraction form
    476,181.50/657,109.79 = 261,325.15/x
  3. Step 3: Cross multiply
    476,181.50x = 657,109.79 × 261,325.15
  4. Step 4: Simplify right side
    476,181.50x = 171,719,314,438.22
  5. Step 5: Solve for x
    x = 171,719,314,438.22/476,181.50
  6. Step 6: Final answer
    x = 360,617.36

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1.5x scale

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.