Home / 370,826.02-511,750.70-209,677.56

Finding the Fourth Proportional to 370,826.02, 511,750.70 and 209,677.56

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Solution

The fourth proportional to 370,826.02, 511,750.70 and 209,677.56 is: 289,361.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,826.02 : 511,750.70 = 209,677.56 : x
  2. Step 2: Convert to fraction form
    370,826.02/511,750.70 = 209,677.56/x
  3. Step 3: Cross multiply
    370,826.02x = 511,750.70 × 209,677.56
  4. Step 4: Simplify right side
    370,826.02x = 107,302,638,104.29
  5. Step 5: Solve for x
    x = 107,302,638,104.29/370,826.02
  6. Step 6: Final answer
    x = 289,361.14

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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.