Home / 366,478.08-505,802.88-215,581.44

Finding the Fourth Proportional to 366,478.08, 505,802.88 and 215,581.44

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Solution

The fourth proportional to 366,478.08, 505,802.88 and 215,581.44 is: 297,539.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,478.08 : 505,802.88 = 215,581.44 : x
  2. Step 2: Convert to fraction form
    366,478.08/505,802.88 = 215,581.44/x
  3. Step 3: Cross multiply
    366,478.08x = 505,802.88 × 215,581.44
  4. Step 4: Simplify right side
    366,478.08x = 109,041,713,226.55
  5. Step 5: Solve for x
    x = 109,041,713,226.55/366,478.08
  6. Step 6: Final answer
    x = 297,539.52

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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.