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Finding the Fourth Proportional to 299,779.70, 413,697.06 and 163,813.65

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Solution

The fourth proportional to 299,779.70, 413,697.06 and 163,813.65 is: 226,063.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,779.70 : 413,697.06 = 163,813.65 : x
  2. Step 2: Convert to fraction form
    299,779.70/413,697.06 = 163,813.65/x
  3. Step 3: Cross multiply
    299,779.70x = 413,697.06 × 163,813.65
  4. Step 4: Simplify right side
    299,779.70x = 67,769,225,392.87
  5. Step 5: Solve for x
    x = 67,769,225,392.87/299,779.70
  6. Step 6: Final answer
    x = 226,063.43

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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.