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Finding the Fourth Proportional to 202,090.60, 303,330.30 and 102,363.40

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Solution

The fourth proportional to 202,090.60, 303,330.30 and 102,363.40 is: 153,643.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,090.60 : 303,330.30 = 102,363.40 : x
  2. Step 2: Convert to fraction form
    202,090.60/303,330.30 = 102,363.40/x
  3. Step 3: Cross multiply
    202,090.60x = 303,330.30 × 102,363.40
  4. Step 4: Simplify right side
    202,090.60x = 31,049,920,831.02
  5. Step 5: Solve for x
    x = 31,049,920,831.02/202,090.60
  6. Step 6: Final answer
    x = 153,643.57

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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.