Home / 370,329.93-511,086.77-209,214.55

Finding the Fourth Proportional to 370,329.93, 511,086.77 and 209,214.55

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Solution

The fourth proportional to 370,329.93, 511,086.77 and 209,214.55 is: 288,733.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,329.93 : 511,086.77 = 209,214.55 : x
  2. Step 2: Convert to fraction form
    370,329.93/511,086.77 = 209,214.55/x
  3. Step 3: Cross multiply
    370,329.93x = 511,086.77 × 209,214.55
  4. Step 4: Simplify right side
    370,329.93x = 106,926,788,596.50
  5. Step 5: Solve for x
    x = 106,926,788,596.50/370,329.93
  6. Step 6: Final answer
    x = 288,733.86

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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.