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Finding the Fourth Proportional to 361,070.02, 541,402.54 and 247,346.32

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Solution

The fourth proportional to 361,070.02, 541,402.54 and 247,346.32 is: 370,880.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,070.02 : 541,402.54 = 247,346.32 : x
  2. Step 2: Convert to fraction form
    361,070.02/541,402.54 = 247,346.32/x
  3. Step 3: Cross multiply
    361,070.02x = 541,402.54 × 247,346.32
  4. Step 4: Simplify right side
    361,070.02x = 133,913,925,907.65
  5. Step 5: Solve for x
    x = 133,913,925,907.65/361,070.02
  6. Step 6: Final answer
    x = 370,880.77

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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.