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Finding the Fourth Proportional to 375,086, 562,629 and 112,430

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Solution

The fourth proportional to 375,086, 562,629 and 112,430 is: 168,645

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,086 : 562,629 = 112,430 : x
  2. Step 2: Convert to fraction form
    375,086/562,629 = 112,430/x
  3. Step 3: Cross multiply
    375,086x = 562,629 × 112,430
  4. Step 4: Simplify right side
    375,086x = 63,256,378,470
  5. Step 5: Solve for x
    x = 63,256,378,470/375,086
  6. Step 6: Final answer
    x = 168,645

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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.