Home / 480,165.98-720,285.41-143,180.26

Finding the Fourth Proportional to 480,165.98, 720,285.41 and 143,180.26

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Solution

The fourth proportional to 480,165.98, 720,285.41 and 143,180.26 is: 214,781.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,165.98 : 720,285.41 = 143,180.26 : x
  2. Step 2: Convert to fraction form
    480,165.98/720,285.41 = 143,180.26/x
  3. Step 3: Cross multiply
    480,165.98x = 720,285.41 × 143,180.26
  4. Step 4: Simplify right side
    480,165.98x = 103,130,650,835.24
  5. Step 5: Solve for x
    x = 103,130,650,835.24/480,165.98
  6. Step 6: Final answer
    x = 214,781.26

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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.