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Finding the Fourth Proportional to 370,462.59, 511,235.55 and 200,695.50

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Solution

The fourth proportional to 370,462.59, 511,235.55 and 200,695.50 is: 276,958.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,462.59 : 511,235.55 = 200,695.50 : x
  2. Step 2: Convert to fraction form
    370,462.59/511,235.55 = 200,695.50/x
  3. Step 3: Cross multiply
    370,462.59x = 511,235.55 × 200,695.50
  4. Step 4: Simplify right side
    370,462.59x = 102,602,674,325.03
  5. Step 5: Solve for x
    x = 102,602,674,325.03/370,462.59
  6. Step 6: Final answer
    x = 276,958.26

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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.