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Finding the Fourth Proportional to 372,550.02, 514,104.73 and 211,395.45

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Solution

The fourth proportional to 372,550.02, 514,104.73 and 211,395.45 is: 291,717.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,550.02 : 514,104.73 = 211,395.45 : x
  2. Step 2: Convert to fraction form
    372,550.02/514,104.73 = 211,395.45/x
  3. Step 3: Cross multiply
    372,550.02x = 514,104.73 × 211,395.45
  4. Step 4: Simplify right side
    372,550.02x = 108,679,400,745.48
  5. Step 5: Solve for x
    x = 108,679,400,745.48/372,550.02
  6. Step 6: Final answer
    x = 291,717.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.