Home / 385,580.16-532,095.12-213,481.62

Finding the Fourth Proportional to 385,580.16, 532,095.12 and 213,481.62

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Solution

The fourth proportional to 385,580.16, 532,095.12 and 213,481.62 is: 294,601.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,580.16 : 532,095.12 = 213,481.62 : x
  2. Step 2: Convert to fraction form
    385,580.16/532,095.12 = 213,481.62/x
  3. Step 3: Cross multiply
    385,580.16x = 532,095.12 × 213,481.62
  4. Step 4: Simplify right side
    385,580.16x = 113,592,528,211.69
  5. Step 5: Solve for x
    x = 113,592,528,211.69/385,580.16
  6. Step 6: Final answer
    x = 294,601.59

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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.