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Finding the Fourth Proportional to 536,493.65, 804,740.76 and 199,490.51

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Solution

The fourth proportional to 536,493.65, 804,740.76 and 199,490.51 is: 299,235.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,493.65 : 804,740.76 = 199,490.51 : x
  2. Step 2: Convert to fraction form
    536,493.65/804,740.76 = 199,490.51/x
  3. Step 3: Cross multiply
    536,493.65x = 804,740.76 × 199,490.51
  4. Step 4: Simplify right side
    536,493.65x = 160,538,140,606.48
  5. Step 5: Solve for x
    x = 160,538,140,606.48/536,493.65
  6. Step 6: Final answer
    x = 299,235.87

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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.