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Finding the Fourth Proportional to 539,006.40, 808,606.80 and 223,495.20

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Solution

The fourth proportional to 539,006.40, 808,606.80 and 223,495.20 is: 335,283.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,006.40 : 808,606.80 = 223,495.20 : x
  2. Step 2: Convert to fraction form
    539,006.40/808,606.80 = 223,495.20/x
  3. Step 3: Cross multiply
    539,006.40x = 808,606.80 × 223,495.20
  4. Step 4: Simplify right side
    539,006.40x = 180,719,738,487.36
  5. Step 5: Solve for x
    x = 180,719,738,487.36/539,006.40
  6. Step 6: Final answer
    x = 335,283.10

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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.