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Finding the Fourth Proportional to 518,504.04, 777,639.24 and 186,080.04

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Solution

The fourth proportional to 518,504.04, 777,639.24 and 186,080.04 is: 279,078.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,504.04 : 777,639.24 = 186,080.04 : x
  2. Step 2: Convert to fraction form
    518,504.04/777,639.24 = 186,080.04/x
  3. Step 3: Cross multiply
    518,504.04x = 777,639.24 × 186,080.04
  4. Step 4: Simplify right side
    518,504.04x = 144,703,140,884.77
  5. Step 5: Solve for x
    x = 144,703,140,884.77/518,504.04
  6. Step 6: Final answer
    x = 279,078.14

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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.