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Finding the Fourth Proportional to 250,004, 375,006 and 74,900

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Solution

The fourth proportional to 250,004, 375,006 and 74,900 is: 112,350

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,004 : 375,006 = 74,900 : x
  2. Step 2: Convert to fraction form
    250,004/375,006 = 74,900/x
  3. Step 3: Cross multiply
    250,004x = 375,006 × 74,900
  4. Step 4: Simplify right side
    250,004x = 28,087,949,400
  5. Step 5: Solve for x
    x = 28,087,949,400/250,004
  6. Step 6: Final answer
    x = 112,350

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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.