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Finding the Fourth Proportional to 202,262.08, 303,436.32 and 77,602

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Solution

The fourth proportional to 202,262.08, 303,436.32 and 77,602 is: 116,419.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,262.08 : 303,436.32 = 77,602 : x
  2. Step 2: Convert to fraction form
    202,262.08/303,436.32 = 77,602/x
  3. Step 3: Cross multiply
    202,262.08x = 303,436.32 × 77,602
  4. Step 4: Simplify right side
    202,262.08x = 23,547,265,304.64
  5. Step 5: Solve for x
    x = 23,547,265,304.64/202,262.08
  6. Step 6: Final answer
    x = 116,419.57

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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.