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Finding the Fourth Proportional to 539,558.40, 808,689.60 and 223,852.80

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Solution

The fourth proportional to 539,558.40, 808,689.60 and 223,852.80 is: 335,510.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,558.40 : 808,689.60 = 223,852.80 : x
  2. Step 2: Convert to fraction form
    539,558.40/808,689.60 = 223,852.80/x
  3. Step 3: Cross multiply
    539,558.40x = 808,689.60 × 223,852.80
  4. Step 4: Simplify right side
    539,558.40x = 181,027,431,290.88
  5. Step 5: Solve for x
    x = 181,027,431,290.88/539,558.40
  6. Step 6: Final answer
    x = 335,510.36

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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.