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Finding the Fourth Proportional to 199,835.58, 299,813.31 and 84,484.74

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Solution

The fourth proportional to 199,835.58, 299,813.31 and 84,484.74 is: 126,752.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,835.58 : 299,813.31 = 84,484.74 : x
  2. Step 2: Convert to fraction form
    199,835.58/299,813.31 = 84,484.74/x
  3. Step 3: Cross multiply
    199,835.58x = 299,813.31 × 84,484.74
  4. Step 4: Simplify right side
    199,835.58x = 25,329,649,543.89
  5. Step 5: Solve for x
    x = 25,329,649,543.89/199,835.58
  6. Step 6: Final answer
    x = 126,752.45

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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.