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Finding the Fourth Proportional to 560,328.57, 840,201.03 and 200,360.67

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Solution

The fourth proportional to 560,328.57, 840,201.03 and 200,360.67 is: 300,436.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,328.57 : 840,201.03 = 200,360.67 : x
  2. Step 2: Convert to fraction form
    560,328.57/840,201.03 = 200,360.67/x
  3. Step 3: Cross multiply
    560,328.57x = 840,201.03 × 200,360.67
  4. Step 4: Simplify right side
    560,328.57x = 168,343,241,305.49
  5. Step 5: Solve for x
    x = 168,343,241,305.49/560,328.57
  6. Step 6: Final answer
    x = 300,436.66

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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.