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Finding the Fourth Proportional to 370,302.68, 511,016.64 and 200,536.40

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Solution

The fourth proportional to 370,302.68, 511,016.64 and 200,536.40 is: 276,739.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,302.68 : 511,016.64 = 200,536.40 : x
  2. Step 2: Convert to fraction form
    370,302.68/511,016.64 = 200,536.40/x
  3. Step 3: Cross multiply
    370,302.68x = 511,016.64 × 200,536.40
  4. Step 4: Simplify right side
    370,302.68x = 102,477,437,325.70
  5. Step 5: Solve for x
    x = 102,477,437,325.70/370,302.68
  6. Step 6: Final answer
    x = 276,739.66

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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.