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Finding the Fourth Proportional to 379,365.96, 569,048.94 and 210,805.67

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Solution

The fourth proportional to 379,365.96, 569,048.94 and 210,805.67 is: 316,208.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,365.96 : 569,048.94 = 210,805.67 : x
  2. Step 2: Convert to fraction form
    379,365.96/569,048.94 = 210,805.67/x
  3. Step 3: Cross multiply
    379,365.96x = 569,048.94 × 210,805.67
  4. Step 4: Simplify right side
    379,365.96x = 119,958,739,160.22
  5. Step 5: Solve for x
    x = 119,958,739,160.22/379,365.96
  6. Step 6: Final answer
    x = 316,208.50

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1.5x scale

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.