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Finding the Fourth Proportional to 416,459.01, 624,726.64 and 116,937.57

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Solution

The fourth proportional to 416,459.01, 624,726.64 and 116,937.57 is: 175,417.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,459.01 : 624,726.64 = 116,937.57 : x
  2. Step 2: Convert to fraction form
    416,459.01/624,726.64 = 116,937.57/x
  3. Step 3: Cross multiply
    416,459.01x = 624,726.64 × 116,937.57
  4. Step 4: Simplify right side
    416,459.01x = 73,054,013,512.90
  5. Step 5: Solve for x
    x = 73,054,013,512.90/416,459.01
  6. Step 6: Final answer
    x = 175,417.06

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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.