Home / 211,734.64-318,869.58-192,838.96

Finding the Fourth Proportional to 211,734.64, 318,869.58 and 192,838.96

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Solution

The fourth proportional to 211,734.64, 318,869.58 and 192,838.96 is: 290,412.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,734.64 : 318,869.58 = 192,838.96 : x
  2. Step 2: Convert to fraction form
    211,734.64/318,869.58 = 192,838.96/x
  3. Step 3: Cross multiply
    211,734.64x = 318,869.58 × 192,838.96
  4. Step 4: Simplify right side
    211,734.64x = 61,490,478,182.84
  5. Step 5: Solve for x
    x = 61,490,478,182.84/211,734.64
  6. Step 6: Final answer
    x = 290,412.93

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.