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Finding the Fourth Proportional to 404,992.08, 558,877.86 and 223,700.76

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Solution

The fourth proportional to 404,992.08, 558,877.86 and 223,700.76 is: 308,700.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,992.08 : 558,877.86 = 223,700.76 : x
  2. Step 2: Convert to fraction form
    404,992.08/558,877.86 = 223,700.76/x
  3. Step 3: Cross multiply
    404,992.08x = 558,877.86 × 223,700.76
  4. Step 4: Simplify right side
    404,992.08x = 125,021,402,029.17
  5. Step 5: Solve for x
    x = 125,021,402,029.17/404,992.08
  6. Step 6: Final answer
    x = 308,700.86

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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.