Home / 546,538.34-819,912.58-209,552.71

Finding the Fourth Proportional to 546,538.34, 819,912.58 and 209,552.71

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Solution

The fourth proportional to 546,538.34, 819,912.58 and 209,552.71 is: 314,369.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,538.34 : 819,912.58 = 209,552.71 : x
  2. Step 2: Convert to fraction form
    546,538.34/819,912.58 = 209,552.71/x
  3. Step 3: Cross multiply
    546,538.34x = 819,912.58 × 209,552.71
  4. Step 4: Simplify right side
    546,538.34x = 171,814,903,102.09
  5. Step 5: Solve for x
    x = 171,814,903,102.09/546,538.34
  6. Step 6: Final answer
    x = 314,369.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.