Home / 370,316.82-511,078.77-209,182.25

Finding the Fourth Proportional to 370,316.82, 511,078.77 and 209,182.25

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Solution

The fourth proportional to 370,316.82, 511,078.77 and 209,182.25 is: 288,694.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,316.82 : 511,078.77 = 209,182.25 : x
  2. Step 2: Convert to fraction form
    370,316.82/511,078.77 = 209,182.25/x
  3. Step 3: Cross multiply
    370,316.82x = 511,078.77 × 209,182.25
  4. Step 4: Simplify right side
    370,316.82x = 106,908,605,642.24
  5. Step 5: Solve for x
    x = 106,908,605,642.24/370,316.82
  6. Step 6: Final answer
    x = 288,694.98

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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.