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Finding the Fourth Proportional to 404,999.96, 558,897.72 and 223,724.36

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Solution

The fourth proportional to 404,999.96, 558,897.72 and 223,724.36 is: 308,738.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,999.96 : 558,897.72 = 223,724.36 : x
  2. Step 2: Convert to fraction form
    404,999.96/558,897.72 = 223,724.36/x
  3. Step 3: Cross multiply
    404,999.96x = 558,897.72 × 223,724.36
  4. Step 4: Simplify right side
    404,999.96x = 125,039,034,712.46
  5. Step 5: Solve for x
    x = 125,039,034,712.46/404,999.96
  6. Step 6: Final answer
    x = 308,738.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.