Home / 372,155.31-513,563.36-211,025.07

Finding the Fourth Proportional to 372,155.31, 513,563.36 and 211,025.07

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Solution

The fourth proportional to 372,155.31, 513,563.36 and 211,025.07 is: 291,208.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,155.31 : 513,563.36 = 211,025.07 : x
  2. Step 2: Convert to fraction form
    372,155.31/513,563.36 = 211,025.07/x
  3. Step 3: Cross multiply
    372,155.31x = 513,563.36 × 211,025.07
  4. Step 4: Simplify right side
    372,155.31x = 108,374,742,938.31
  5. Step 5: Solve for x
    x = 108,374,742,938.31/372,155.31
  6. Step 6: Final answer
    x = 291,208.37

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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.