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Finding the Fourth Proportional to 209,601.67, 289,233.69 and 118,957.63

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Solution

The fourth proportional to 209,601.67, 289,233.69 and 118,957.63 is: 164,152.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,601.67 : 289,233.69 = 118,957.63 : x
  2. Step 2: Convert to fraction form
    209,601.67/289,233.69 = 118,957.63/x
  3. Step 3: Cross multiply
    209,601.67x = 289,233.69 × 118,957.63
  4. Step 4: Simplify right side
    209,601.67x = 34,406,554,278.55
  5. Step 5: Solve for x
    x = 34,406,554,278.55/209,601.67
  6. Step 6: Final answer
    x = 164,152.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.