Home / 507,172.82-760,635.87-170,126.05

Finding the Fourth Proportional to 507,172.82, 760,635.87 and 170,126.05

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Solution

The fourth proportional to 507,172.82, 760,635.87 and 170,126.05 is: 255,147.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,172.82 : 760,635.87 = 170,126.05 : x
  2. Step 2: Convert to fraction form
    507,172.82/760,635.87 = 170,126.05/x
  3. Step 3: Cross multiply
    507,172.82x = 760,635.87 × 170,126.05
  4. Step 4: Simplify right side
    507,172.82x = 129,403,972,798.76
  5. Step 5: Solve for x
    x = 129,403,972,798.76/507,172.82
  6. Step 6: Final answer
    x = 255,147.69

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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.