Home / 507,486.19-761,241.64-170,531.72

Finding the Fourth Proportional to 507,486.19, 761,241.64 and 170,531.72

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Solution

The fourth proportional to 507,486.19, 761,241.64 and 170,531.72 is: 255,801.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,486.19 : 761,241.64 = 170,531.72 : x
  2. Step 2: Convert to fraction form
    507,486.19/761,241.64 = 170,531.72/x
  3. Step 3: Cross multiply
    507,486.19x = 761,241.64 × 170,531.72
  4. Step 4: Simplify right side
    507,486.19x = 129,815,846,204.82
  5. Step 5: Solve for x
    x = 129,815,846,204.82/507,486.19
  6. Step 6: Final answer
    x = 255,801.73

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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.