Home / 366,294.51-505,528.17-223,138.35

Finding the Fourth Proportional to 366,294.51, 505,528.17 and 223,138.35

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Solution

The fourth proportional to 366,294.51, 505,528.17 and 223,138.35 is: 307,956.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,294.51 : 505,528.17 = 223,138.35 : x
  2. Step 2: Convert to fraction form
    366,294.51/505,528.17 = 223,138.35/x
  3. Step 3: Cross multiply
    366,294.51x = 505,528.17 × 223,138.35
  4. Step 4: Simplify right side
    366,294.51x = 112,802,721,732.32
  5. Step 5: Solve for x
    x = 112,802,721,732.32/366,294.51
  6. Step 6: Final answer
    x = 307,956.35

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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.