Home / 404,935.12-607,198.78-134,967.64

Finding the Fourth Proportional to 404,935.12, 607,198.78 and 134,967.64

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Solution

The fourth proportional to 404,935.12, 607,198.78 and 134,967.64 is: 202,383.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,935.12 : 607,198.78 = 134,967.64 : x
  2. Step 2: Convert to fraction form
    404,935.12/607,198.78 = 134,967.64/x
  3. Step 3: Cross multiply
    404,935.12x = 607,198.78 × 134,967.64
  4. Step 4: Simplify right side
    404,935.12x = 81,952,186,347.48
  5. Step 5: Solve for x
    x = 81,952,186,347.48/404,935.12
  6. Step 6: Final answer
    x = 202,383.50

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1.5x scale

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.