Home / 403,288.52-556,550.75-219,539.36

Finding the Fourth Proportional to 403,288.52, 556,550.75 and 219,539.36

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Solution

The fourth proportional to 403,288.52, 556,550.75 and 219,539.36 is: 302,971.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,288.52 : 556,550.75 = 219,539.36 : x
  2. Step 2: Convert to fraction form
    403,288.52/556,550.75 = 219,539.36/x
  3. Step 3: Cross multiply
    403,288.52x = 556,550.75 × 219,539.36
  4. Step 4: Simplify right side
    403,288.52x = 122,184,796,167.84
  5. Step 5: Solve for x
    x = 122,184,796,167.84/403,288.52
  6. Step 6: Final answer
    x = 302,971.17

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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.