Home / 384,926.58-531,199.35-215,160.57

Finding the Fourth Proportional to 384,926.58, 531,199.35 and 215,160.57

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Solution

The fourth proportional to 384,926.58, 531,199.35 and 215,160.57 is: 296,921.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,926.58 : 531,199.35 = 215,160.57 : x
  2. Step 2: Convert to fraction form
    384,926.58/531,199.35 = 215,160.57/x
  3. Step 3: Cross multiply
    384,926.58x = 531,199.35 × 215,160.57
  4. Step 4: Simplify right side
    384,926.58x = 114,293,154,929.63
  5. Step 5: Solve for x
    x = 114,293,154,929.63/384,926.58
  6. Step 6: Final answer
    x = 296,921.96

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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.