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Finding the Fourth Proportional to 539,552.40, 808,680.60 and 223,846.80

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Solution

The fourth proportional to 539,552.40, 808,680.60 and 223,846.80 is: 335,501.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,552.40 : 808,680.60 = 223,846.80 : x
  2. Step 2: Convert to fraction form
    539,552.40/808,680.60 = 223,846.80/x
  3. Step 3: Cross multiply
    539,552.40x = 808,680.60 × 223,846.80
  4. Step 4: Simplify right side
    539,552.40x = 181,020,564,532.08
  5. Step 5: Solve for x
    x = 181,020,564,532.08/539,552.40
  6. Step 6: Final answer
    x = 335,501.36

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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.