Home / 366,457.95-505,742.66-203,154.39

Finding the Fourth Proportional to 366,457.95, 505,742.66 and 203,154.39

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Solution

The fourth proportional to 366,457.95, 505,742.66 and 203,154.39 is: 280,370.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,457.95 : 505,742.66 = 203,154.39 : x
  2. Step 2: Convert to fraction form
    366,457.95/505,742.66 = 203,154.39/x
  3. Step 3: Cross multiply
    366,457.95x = 505,742.66 × 203,154.39
  4. Step 4: Simplify right side
    366,457.95x = 102,743,840,573.51
  5. Step 5: Solve for x
    x = 102,743,840,573.51/366,457.95
  6. Step 6: Final answer
    x = 280,370.07

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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.