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Finding the Fourth Proportional to 307,555.92, 461,343.60 and 130,068.72

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Solution

The fourth proportional to 307,555.92, 461,343.60 and 130,068.72 is: 195,107.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,555.92 : 461,343.60 = 130,068.72 : x
  2. Step 2: Convert to fraction form
    307,555.92/461,343.60 = 130,068.72/x
  3. Step 3: Cross multiply
    307,555.92x = 461,343.60 × 130,068.72
  4. Step 4: Simplify right side
    307,555.92x = 60,006,371,532.19
  5. Step 5: Solve for x
    x = 60,006,371,532.19/307,555.92
  6. Step 6: Final answer
    x = 195,107.19

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1.5x scale

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.