Home / 370,372.22-511,155.14-209,237.64

Finding the Fourth Proportional to 370,372.22, 511,155.14 and 209,237.64

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Solution

The fourth proportional to 370,372.22, 511,155.14 and 209,237.64 is: 288,771.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,372.22 : 511,155.14 = 209,237.64 : x
  2. Step 2: Convert to fraction form
    370,372.22/511,155.14 = 209,237.64/x
  3. Step 3: Cross multiply
    370,372.22x = 511,155.14 × 209,237.64
  4. Step 4: Simplify right side
    370,372.22x = 106,952,895,167.47
  5. Step 5: Solve for x
    x = 106,952,895,167.47/370,372.22
  6. Step 6: Final answer
    x = 288,771.37

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1.5x scale

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.