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Finding the Fourth Proportional to 201,812.40, 302,707.62 and 61,560

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Solution

The fourth proportional to 201,812.40, 302,707.62 and 61,560 is: 92,336.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,812.40 : 302,707.62 = 61,560 : x
  2. Step 2: Convert to fraction form
    201,812.40/302,707.62 = 61,560/x
  3. Step 3: Cross multiply
    201,812.40x = 302,707.62 × 61,560
  4. Step 4: Simplify right side
    201,812.40x = 18,634,681,087.20
  5. Step 5: Solve for x
    x = 18,634,681,087.20/201,812.40
  6. Step 6: Final answer
    x = 92,336.65

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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.