Home / 476,143.07-657,087.48-261,281.26

Finding the Fourth Proportional to 476,143.07, 657,087.48 and 261,281.26

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Solution

The fourth proportional to 476,143.07, 657,087.48 and 261,281.26 is: 360,573.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,143.07 : 657,087.48 = 261,281.26 : x
  2. Step 2: Convert to fraction form
    476,143.07/657,087.48 = 261,281.26/x
  3. Step 3: Cross multiply
    476,143.07x = 657,087.48 × 261,281.26
  4. Step 4: Simplify right side
    476,143.07x = 171,684,640,112.78
  5. Step 5: Solve for x
    x = 171,684,640,112.78/476,143.07
  6. Step 6: Final answer
    x = 360,573.64

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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.