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Finding the Fourth Proportional to 202,605.81, 303,921.68 and 77,946.81

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Solution

The fourth proportional to 202,605.81, 303,921.68 and 77,946.81 is: 116,925.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,605.81 : 303,921.68 = 77,946.81 : x
  2. Step 2: Convert to fraction form
    202,605.81/303,921.68 = 77,946.81/x
  3. Step 3: Cross multiply
    202,605.81x = 303,921.68 × 77,946.81
  4. Step 4: Simplify right side
    202,605.81x = 23,689,725,056.11
  5. Step 5: Solve for x
    x = 23,689,725,056.11/202,605.81
  6. Step 6: Final answer
    x = 116,925.20

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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.