Home / 377,975.56-521,606.16-208,213.24

Finding the Fourth Proportional to 377,975.56, 521,606.16 and 208,213.24

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Solution

The fourth proportional to 377,975.56, 521,606.16 and 208,213.24 is: 287,334.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,975.56 : 521,606.16 = 208,213.24 : x
  2. Step 2: Convert to fraction form
    377,975.56/521,606.16 = 208,213.24/x
  3. Step 3: Cross multiply
    377,975.56x = 521,606.16 × 208,213.24
  4. Step 4: Simplify right side
    377,975.56x = 108,605,308,577.56
  5. Step 5: Solve for x
    x = 108,605,308,577.56/377,975.56
  6. Step 6: Final answer
    x = 287,334.21

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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.