Home / 370,263.78-510,966.45-200,497.92

Finding the Fourth Proportional to 370,263.78, 510,966.45 and 200,497.92

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Solution

The fourth proportional to 370,263.78, 510,966.45 and 200,497.92 is: 276,688.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,263.78 : 510,966.45 = 200,497.92 : x
  2. Step 2: Convert to fraction form
    370,263.78/510,966.45 = 200,497.92/x
  3. Step 3: Cross multiply
    370,263.78x = 510,966.45 × 200,497.92
  4. Step 4: Simplify right side
    370,263.78x = 102,447,710,414.78
  5. Step 5: Solve for x
    x = 102,447,710,414.78/370,263.78
  6. Step 6: Final answer
    x = 276,688.45

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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.