Home / 353,446.08-487,751.62-210,208.52

Finding the Fourth Proportional to 353,446.08, 487,751.62 and 210,208.52

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Solution

The fourth proportional to 353,446.08, 487,751.62 and 210,208.52 is: 290,085.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,446.08 : 487,751.62 = 210,208.52 : x
  2. Step 2: Convert to fraction form
    353,446.08/487,751.62 = 210,208.52/x
  3. Step 3: Cross multiply
    353,446.08x = 487,751.62 × 210,208.52
  4. Step 4: Simplify right side
    353,446.08x = 102,529,546,167.80
  5. Step 5: Solve for x
    x = 102,529,546,167.80/353,446.08
  6. Step 6: Final answer
    x = 290,085.40

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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.