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Finding the Fourth Proportional to 370,429.06, 511,191.93 and 200,661.70

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Solution

The fourth proportional to 370,429.06, 511,191.93 and 200,661.70 is: 276,913.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,429.06 : 511,191.93 = 200,661.70 : x
  2. Step 2: Convert to fraction form
    370,429.06/511,191.93 = 200,661.70/x
  3. Step 3: Cross multiply
    370,429.06x = 511,191.93 × 200,661.70
  4. Step 4: Simplify right side
    370,429.06x = 102,576,641,700.08
  5. Step 5: Solve for x
    x = 102,576,641,700.08/370,429.06
  6. Step 6: Final answer
    x = 276,913.05

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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.