Home / 370,538.76-511,288.32-209,392.52

Finding the Fourth Proportional to 370,538.76, 511,288.32 and 209,392.52

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Solution

The fourth proportional to 370,538.76, 511,288.32 and 209,392.52 is: 288,930.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,538.76 : 511,288.32 = 209,392.52 : x
  2. Step 2: Convert to fraction form
    370,538.76/511,288.32 = 209,392.52/x
  3. Step 3: Cross multiply
    370,538.76x = 511,288.32 × 209,392.52
  4. Step 4: Simplify right side
    370,538.76x = 107,059,949,771.37
  5. Step 5: Solve for x
    x = 107,059,949,771.37/370,538.76
  6. Step 6: Final answer
    x = 288,930.50

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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.