Home / 385,461.64-531,911.37-213,367.96

Finding the Fourth Proportional to 385,461.64, 531,911.37 and 213,367.96

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Solution

The fourth proportional to 385,461.64, 531,911.37 and 213,367.96 is: 294,433.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,461.64 : 531,911.37 = 213,367.96 : x
  2. Step 2: Convert to fraction form
    385,461.64/531,911.37 = 213,367.96/x
  3. Step 3: Cross multiply
    385,461.64x = 531,911.37 × 213,367.96
  4. Step 4: Simplify right side
    385,461.64x = 113,492,843,917.71
  5. Step 5: Solve for x
    x = 113,492,843,917.71/385,461.64
  6. Step 6: Final answer
    x = 294,433.56

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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.