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Finding the Fourth Proportional to 344,992.50, 517,488.75 and 95,674.50

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Solution

The fourth proportional to 344,992.50, 517,488.75 and 95,674.50 is: 143,511.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,992.50 : 517,488.75 = 95,674.50 : x
  2. Step 2: Convert to fraction form
    344,992.50/517,488.75 = 95,674.50/x
  3. Step 3: Cross multiply
    344,992.50x = 517,488.75 × 95,674.50
  4. Step 4: Simplify right side
    344,992.50x = 49,510,477,411.88
  5. Step 5: Solve for x
    x = 49,510,477,411.88/344,992.50
  6. Step 6: Final answer
    x = 143,511.75

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1.5x scale

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.