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Finding the Fourth Proportional to 442,187.80, 610,213.96 and 260,900.08

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Solution

The fourth proportional to 442,187.80, 610,213.96 and 260,900.08 is: 360,039.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,187.80 : 610,213.96 = 260,900.08 : x
  2. Step 2: Convert to fraction form
    442,187.80/610,213.96 = 260,900.08/x
  3. Step 3: Cross multiply
    442,187.80x = 610,213.96 × 260,900.08
  4. Step 4: Simplify right side
    442,187.80x = 159,204,870,981.12
  5. Step 5: Solve for x
    x = 159,204,870,981.12/442,187.80
  6. Step 6: Final answer
    x = 360,039.04

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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.