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Finding the Fourth Proportional to 475,573.48, 713,152.86 and 179,878.12

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Solution

The fourth proportional to 475,573.48, 713,152.86 and 179,878.12 is: 269,738.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,573.48 : 713,152.86 = 179,878.12 : x
  2. Step 2: Convert to fraction form
    475,573.48/713,152.86 = 179,878.12/x
  3. Step 3: Cross multiply
    475,573.48x = 713,152.86 × 179,878.12
  4. Step 4: Simplify right side
    475,573.48x = 128,280,595,729.42
  5. Step 5: Solve for x
    x = 128,280,595,729.42/475,573.48
  6. Step 6: Final answer
    x = 269,738.75

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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.