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Finding the Fourth Proportional to 370,313.40, 511,031.36 and 200,547.48

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Solution

The fourth proportional to 370,313.40, 511,031.36 and 200,547.48 is: 276,754.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,313.40 : 511,031.36 = 200,547.48 : x
  2. Step 2: Convert to fraction form
    370,313.40/511,031.36 = 200,547.48/x
  3. Step 3: Cross multiply
    370,313.40x = 511,031.36 × 200,547.48
  4. Step 4: Simplify right side
    370,313.40x = 102,486,051,448.97
  5. Step 5: Solve for x
    x = 102,486,051,448.97/370,313.40
  6. Step 6: Final answer
    x = 276,754.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.