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Finding the Fourth Proportional to 209,459.59, 314,142.04 and 59,696.67

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Solution

The fourth proportional to 209,459.59, 314,142.04 and 59,696.67 is: 89,531.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,459.59 : 314,142.04 = 59,696.67 : x
  2. Step 2: Convert to fraction form
    209,459.59/314,142.04 = 59,696.67/x
  3. Step 3: Cross multiply
    209,459.59x = 314,142.04 × 59,696.67
  4. Step 4: Simplify right side
    209,459.59x = 18,753,233,695.01
  5. Step 5: Solve for x
    x = 18,753,233,695.01/209,459.59
  6. Step 6: Final answer
    x = 89,531.51

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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.