Home / 384,968.64-577,552.62-118,723.28

Finding the Fourth Proportional to 384,968.64, 577,552.62 and 118,723.28

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Solution

The fourth proportional to 384,968.64, 577,552.62 and 118,723.28 is: 178,115.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,968.64 : 577,552.62 = 118,723.28 : x
  2. Step 2: Convert to fraction form
    384,968.64/577,552.62 = 118,723.28/x
  3. Step 3: Cross multiply
    384,968.64x = 577,552.62 × 118,723.28
  4. Step 4: Simplify right side
    384,968.64x = 68,568,941,418.99
  5. Step 5: Solve for x
    x = 68,568,941,418.99/384,968.64
  6. Step 6: Final answer
    x = 178,115.65

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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.