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Finding the Fourth Proportional to 245,480.92, 368,105.04 and 85,501.06

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Solution

The fourth proportional to 245,480.92, 368,105.04 and 85,501.06 is: 128,211.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,480.92 : 368,105.04 = 85,501.06 : x
  2. Step 2: Convert to fraction form
    245,480.92/368,105.04 = 85,501.06/x
  3. Step 3: Cross multiply
    245,480.92x = 368,105.04 × 85,501.06
  4. Step 4: Simplify right side
    245,480.92x = 31,473,370,191.08
  5. Step 5: Solve for x
    x = 31,473,370,191.08/245,480.92
  6. Step 6: Final answer
    x = 128,211.07

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.