Home / 353,623.98-488,011.62-217,736.34

Finding the Fourth Proportional to 353,623.98, 488,011.62 and 217,736.34

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Solution

The fourth proportional to 353,623.98, 488,011.62 and 217,736.34 is: 300,482.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,623.98 : 488,011.62 = 217,736.34 : x
  2. Step 2: Convert to fraction form
    353,623.98/488,011.62 = 217,736.34/x
  3. Step 3: Cross multiply
    353,623.98x = 488,011.62 × 217,736.34
  4. Step 4: Simplify right side
    353,623.98x = 106,257,864,016.27
  5. Step 5: Solve for x
    x = 106,257,864,016.27/353,623.98
  6. Step 6: Final answer
    x = 300,482.63

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1.5x scale

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.