Home / 400,824.23-553,117.70-219,536.96

Finding the Fourth Proportional to 400,824.23, 553,117.70 and 219,536.96

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Solution

The fourth proportional to 400,824.23, 553,117.70 and 219,536.96 is: 302,950.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,824.23 : 553,117.70 = 219,536.96 : x
  2. Step 2: Convert to fraction form
    400,824.23/553,117.70 = 219,536.96/x
  3. Step 3: Cross multiply
    400,824.23x = 553,117.70 × 219,536.96
  4. Step 4: Simplify right side
    400,824.23x = 121,429,777,282.51
  5. Step 5: Solve for x
    x = 121,429,777,282.51/400,824.23
  6. Step 6: Final answer
    x = 302,950.19

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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.