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Finding the Fourth Proportional to 202,308.63, 303,477.52 and 77,649.63

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Solution

The fourth proportional to 202,308.63, 303,477.52 and 77,649.63 is: 116,480.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,308.63 : 303,477.52 = 77,649.63 : x
  2. Step 2: Convert to fraction form
    202,308.63/303,477.52 = 77,649.63/x
  3. Step 3: Cross multiply
    202,308.63x = 303,477.52 × 77,649.63
  4. Step 4: Simplify right side
    202,308.63x = 23,564,917,141.32
  5. Step 5: Solve for x
    x = 23,564,917,141.32/202,308.63
  6. Step 6: Final answer
    x = 116,480.04

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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.