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Finding the Fourth Proportional to 370,575.37, 511,394.27 and 200,809.50

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Solution

The fourth proportional to 370,575.37, 511,394.27 and 200,809.50 is: 277,117.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,575.37 : 511,394.27 = 200,809.50 : x
  2. Step 2: Convert to fraction form
    370,575.37/511,394.27 = 200,809.50/x
  3. Step 3: Cross multiply
    370,575.37x = 511,394.27 × 200,809.50
  4. Step 4: Simplify right side
    370,575.37x = 102,692,827,661.57
  5. Step 5: Solve for x
    x = 102,692,827,661.57/370,575.37
  6. Step 6: Final answer
    x = 277,117.25

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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.