Home / 370,316.79-511,078.73-209,182.22

Finding the Fourth Proportional to 370,316.79, 511,078.73 and 209,182.22

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Solution

The fourth proportional to 370,316.79, 511,078.73 and 209,182.22 is: 288,694.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,316.79 : 511,078.73 = 209,182.22 : x
  2. Step 2: Convert to fraction form
    370,316.79/511,078.73 = 209,182.22/x
  3. Step 3: Cross multiply
    370,316.79x = 511,078.73 × 209,182.22
  4. Step 4: Simplify right side
    370,316.79x = 106,908,581,194.55
  5. Step 5: Solve for x
    x = 106,908,581,194.55/370,316.79
  6. Step 6: Final answer
    x = 288,694.93

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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.