Home / 436,226.64-654,058.08-208,428.72

Finding the Fourth Proportional to 436,226.64, 654,058.08 and 208,428.72

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Solution

The fourth proportional to 436,226.64, 654,058.08 and 208,428.72 is: 312,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,226.64 : 654,058.08 = 208,428.72 : x
  2. Step 2: Convert to fraction form
    436,226.64/654,058.08 = 208,428.72/x
  3. Step 3: Cross multiply
    436,226.64x = 654,058.08 × 208,428.72
  4. Step 4: Simplify right side
    436,226.64x = 136,324,488,420.06
  5. Step 5: Solve for x
    x = 136,324,488,420.06/436,226.64
  6. Step 6: Final answer
    x = 312,508.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.