Home / 546,287.10-819,420.90-209,236.38

Finding the Fourth Proportional to 546,287.10, 819,420.90 and 209,236.38

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Solution

The fourth proportional to 546,287.10, 819,420.90 and 209,236.38 is: 313,850.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,287.10 : 819,420.90 = 209,236.38 : x
  2. Step 2: Convert to fraction form
    546,287.10/819,420.90 = 209,236.38/x
  3. Step 3: Cross multiply
    546,287.10x = 819,420.90 × 209,236.38
  4. Step 4: Simplify right side
    546,287.10x = 171,452,662,812.34
  5. Step 5: Solve for x
    x = 171,452,662,812.34/546,287.10
  6. Step 6: Final answer
    x = 313,850.84

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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.