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Finding the Fourth Proportional to 357,359.94, 536,039.51 and 278,533.17

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Solution

The fourth proportional to 357,359.94, 536,039.51 and 278,533.17 is: 417,799.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,359.94 : 536,039.51 = 278,533.17 : x
  2. Step 2: Convert to fraction form
    357,359.94/536,039.51 = 278,533.17/x
  3. Step 3: Cross multiply
    357,359.94x = 536,039.51 × 278,533.17
  4. Step 4: Simplify right side
    357,359.94x = 149,304,782,572.88
  5. Step 5: Solve for x
    x = 149,304,782,572.88/357,359.94
  6. Step 6: Final answer
    x = 417,799.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.