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Finding the Fourth Proportional to 288,027.80, 432,041.22 and 119,435.62

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Solution

The fourth proportional to 288,027.80, 432,041.22 and 119,435.62 is: 179,153.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,027.80 : 432,041.22 = 119,435.62 : x
  2. Step 2: Convert to fraction form
    288,027.80/432,041.22 = 119,435.62/x
  3. Step 3: Cross multiply
    288,027.80x = 432,041.22 × 119,435.62
  4. Step 4: Simplify right side
    288,027.80x = 51,601,109,896.15
  5. Step 5: Solve for x
    x = 51,601,109,896.15/288,027.80
  6. Step 6: Final answer
    x = 179,153.23

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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.