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Finding the Fourth Proportional to 401,073.57, 601,603.94 and 97,470.18

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Solution

The fourth proportional to 401,073.57, 601,603.94 and 97,470.18 is: 146,203.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,073.57 : 601,603.94 = 97,470.18 : x
  2. Step 2: Convert to fraction form
    401,073.57/601,603.94 = 97,470.18/x
  3. Step 3: Cross multiply
    401,073.57x = 601,603.94 × 97,470.18
  4. Step 4: Simplify right side
    401,073.57x = 58,638,444,564.18
  5. Step 5: Solve for x
    x = 58,638,444,564.18/401,073.57
  6. Step 6: Final answer
    x = 146,203.71

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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.