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Finding the Fourth Proportional to 507,004.48, 760,483.64 and 170,019.22

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Solution

The fourth proportional to 507,004.48, 760,483.64 and 170,019.22 is: 255,021.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,004.48 : 760,483.64 = 170,019.22 : x
  2. Step 2: Convert to fraction form
    507,004.48/760,483.64 = 170,019.22/x
  3. Step 3: Cross multiply
    507,004.48x = 760,483.64 × 170,019.22
  4. Step 4: Simplify right side
    507,004.48x = 129,296,834,288.95
  5. Step 5: Solve for x
    x = 129,296,834,288.95/507,004.48
  6. Step 6: Final answer
    x = 255,021.09

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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.