Home / 420,911.67-580,820.01-237,180.16

Finding the Fourth Proportional to 420,911.67, 580,820.01 and 237,180.16

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Solution

The fourth proportional to 420,911.67, 580,820.01 and 237,180.16 is: 327,287.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,911.67 : 580,820.01 = 237,180.16 : x
  2. Step 2: Convert to fraction form
    420,911.67/580,820.01 = 237,180.16/x
  3. Step 3: Cross multiply
    420,911.67x = 580,820.01 × 237,180.16
  4. Step 4: Simplify right side
    420,911.67x = 137,758,979,501.41
  5. Step 5: Solve for x
    x = 137,758,979,501.41/420,911.67
  6. Step 6: Final answer
    x = 327,287.14

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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.