Home / 320,720.04-481,070.07-152,361.54

Finding the Fourth Proportional to 320,720.04, 481,070.07 and 152,361.54

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Solution

The fourth proportional to 320,720.04, 481,070.07 and 152,361.54 is: 228,537.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,720.04 : 481,070.07 = 152,361.54 : x
  2. Step 2: Convert to fraction form
    320,720.04/481,070.07 = 152,361.54/x
  3. Step 3: Cross multiply
    320,720.04x = 481,070.07 × 152,361.54
  4. Step 4: Simplify right side
    320,720.04x = 73,296,576,713.11
  5. Step 5: Solve for x
    x = 73,296,576,713.11/320,720.04
  6. Step 6: Final answer
    x = 228,537.56

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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.