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Finding the Fourth Proportional to 538,856.90, 808,208.55 and 183,887.30

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Solution

The fourth proportional to 538,856.90, 808,208.55 and 183,887.30 is: 275,804.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,856.90 : 808,208.55 = 183,887.30 : x
  2. Step 2: Convert to fraction form
    538,856.90/808,208.55 = 183,887.30/x
  3. Step 3: Cross multiply
    538,856.90x = 808,208.55 × 183,887.30
  4. Step 4: Simplify right side
    538,856.90x = 148,619,288,096.42
  5. Step 5: Solve for x
    x = 148,619,288,096.42/538,856.90
  6. Step 6: Final answer
    x = 275,804.74

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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.