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Finding the Fourth Proportional to 322,032.60, 483,048.90 and 162,600.30

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Solution

The fourth proportional to 322,032.60, 483,048.90 and 162,600.30 is: 243,900.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,032.60 : 483,048.90 = 162,600.30 : x
  2. Step 2: Convert to fraction form
    322,032.60/483,048.90 = 162,600.30/x
  3. Step 3: Cross multiply
    322,032.60x = 483,048.90 × 162,600.30
  4. Step 4: Simplify right side
    322,032.60x = 78,543,896,054.67
  5. Step 5: Solve for x
    x = 78,543,896,054.67/322,032.60
  6. Step 6: Final answer
    x = 243,900.45

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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.