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Finding the Fourth Proportional to 379,316.89, 569,057.28 and 201,798.10

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Solution

The fourth proportional to 379,316.89, 569,057.28 and 201,798.10 is: 302,740.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,316.89 : 569,057.28 = 201,798.10 : x
  2. Step 2: Convert to fraction form
    379,316.89/569,057.28 = 201,798.10/x
  3. Step 3: Cross multiply
    379,316.89x = 569,057.28 × 201,798.10
  4. Step 4: Simplify right side
    379,316.89x = 114,834,677,895.17
  5. Step 5: Solve for x
    x = 114,834,677,895.17/379,316.89
  6. Step 6: Final answer
    x = 302,740.75

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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.