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Finding the Fourth Proportional to 328,444.39, 492,430.03 and 201,822.98

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Solution

The fourth proportional to 328,444.39, 492,430.03 and 201,822.98 is: 302,589.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,444.39 : 492,430.03 = 201,822.98 : x
  2. Step 2: Convert to fraction form
    328,444.39/492,430.03 = 201,822.98/x
  3. Step 3: Cross multiply
    328,444.39x = 492,430.03 × 201,822.98
  4. Step 4: Simplify right side
    328,444.39x = 99,383,696,444.19
  5. Step 5: Solve for x
    x = 99,383,696,444.19/328,444.39
  6. Step 6: Final answer
    x = 302,589.11

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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.