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Finding the Fourth Proportional to 376,180.96, 518,483.28 and 358,464.64

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Solution

The fourth proportional to 376,180.96, 518,483.28 and 358,464.64 is: 494,065.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,180.96 : 518,483.28 = 358,464.64 : x
  2. Step 2: Convert to fraction form
    376,180.96/518,483.28 = 358,464.64/x
  3. Step 3: Cross multiply
    376,180.96x = 518,483.28 × 358,464.64
  4. Step 4: Simplify right side
    376,180.96x = 185,857,922,311.22
  5. Step 5: Solve for x
    x = 185,857,922,311.22/376,180.96
  6. Step 6: Final answer
    x = 494,065.20

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1.5x scale

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.