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Finding the Fourth Proportional to 362,202.30, 543,303.45 and 162,529.20

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Solution

The fourth proportional to 362,202.30, 543,303.45 and 162,529.20 is: 243,793.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,202.30 : 543,303.45 = 162,529.20 : x
  2. Step 2: Convert to fraction form
    362,202.30/543,303.45 = 162,529.20/x
  3. Step 3: Cross multiply
    362,202.30x = 543,303.45 × 162,529.20
  4. Step 4: Simplify right side
    362,202.30x = 88,302,675,085.74
  5. Step 5: Solve for x
    x = 88,302,675,085.74/362,202.30
  6. Step 6: Final answer
    x = 243,793.80

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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.