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Finding the Fourth Proportional to 324,762.09, 487,018.59 and 111,490.26

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Solution

The fourth proportional to 324,762.09, 487,018.59 and 111,490.26 is: 167,192.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,762.09 : 487,018.59 = 111,490.26 : x
  2. Step 2: Convert to fraction form
    324,762.09/487,018.59 = 111,490.26/x
  3. Step 3: Cross multiply
    324,762.09x = 487,018.59 × 111,490.26
  4. Step 4: Simplify right side
    324,762.09x = 54,297,826,979.53
  5. Step 5: Solve for x
    x = 54,297,826,979.53/324,762.09
  6. Step 6: Final answer
    x = 167,192.63

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1.5x scale

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.