Home / 370,825.02-511,749.32-209,676.56

Finding the Fourth Proportional to 370,825.02, 511,749.32 and 209,676.56

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Solution

The fourth proportional to 370,825.02, 511,749.32 and 209,676.56 is: 289,359.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,825.02 : 511,749.32 = 209,676.56 : x
  2. Step 2: Convert to fraction form
    370,825.02/511,749.32 = 209,676.56/x
  3. Step 3: Cross multiply
    370,825.02x = 511,749.32 × 209,676.56
  4. Step 4: Simplify right side
    370,825.02x = 107,301,833,392.81
  5. Step 5: Solve for x
    x = 107,301,833,392.81/370,825.02
  6. Step 6: Final answer
    x = 289,359.75

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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.