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Finding the Fourth Proportional to 370,477.02, 511,255.08 and 200,710.74

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Solution

The fourth proportional to 370,477.02, 511,255.08 and 200,710.74 is: 276,979.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,477.02 : 511,255.08 = 200,710.74 : x
  2. Step 2: Convert to fraction form
    370,477.02/511,255.08 = 200,710.74/x
  3. Step 3: Cross multiply
    370,477.02x = 511,255.08 × 200,710.74
  4. Step 4: Simplify right side
    370,477.02x = 102,614,385,435.56
  5. Step 5: Solve for x
    x = 102,614,385,435.56/370,477.02
  6. Step 6: Final answer
    x = 276,979.08

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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.