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Finding the Fourth Proportional to 507,485.97, 761,241.31 and 170,531.51

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Solution

The fourth proportional to 507,485.97, 761,241.31 and 170,531.51 is: 255,801.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,485.97 : 761,241.31 = 170,531.51 : x
  2. Step 2: Convert to fraction form
    507,485.97/761,241.31 = 170,531.51/x
  3. Step 3: Cross multiply
    507,485.97x = 761,241.31 × 170,531.51
  4. Step 4: Simplify right side
    507,485.97x = 129,815,625,836.14
  5. Step 5: Solve for x
    x = 129,815,625,836.14/507,485.97
  6. Step 6: Final answer
    x = 255,801.41

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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.