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Finding the Fourth Proportional to 444,308.67, 613,130.72 and 253,383.51

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Solution

The fourth proportional to 444,308.67, 613,130.72 and 253,383.51 is: 349,660.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,308.67 : 613,130.72 = 253,383.51 : x
  2. Step 2: Convert to fraction form
    444,308.67/613,130.72 = 253,383.51/x
  3. Step 3: Cross multiply
    444,308.67x = 613,130.72 × 253,383.51
  4. Step 4: Simplify right side
    444,308.67x = 155,357,212,655.51
  5. Step 5: Solve for x
    x = 155,357,212,655.51/444,308.67
  6. Step 6: Final answer
    x = 349,660.55

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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.