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Finding the Fourth Proportional to 370,294.13, 511,004.88 and 200,528.21

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Solution

The fourth proportional to 370,294.13, 511,004.88 and 200,528.21 is: 276,728.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,294.13 : 511,004.88 = 200,528.21 : x
  2. Step 2: Convert to fraction form
    370,294.13/511,004.88 = 200,528.21/x
  3. Step 3: Cross multiply
    370,294.13x = 511,004.88 × 200,528.21
  4. Step 4: Simplify right side
    370,294.13x = 102,470,893,887.67
  5. Step 5: Solve for x
    x = 102,470,893,887.67/370,294.13
  6. Step 6: Final answer
    x = 276,728.38

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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.