Finding the Fourth Proportional to 531,954.28, 734,191.86 and 317,108.08
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Solution
The fourth proportional to 531,954.28, 734,191.86 and 317,108.08 is: 437,665.75
Step by Step Solution
- Step 1: Write the proportion equation
531,954.28 : 734,191.86 = 317,108.08 : x - Step 2: Convert to fraction form
531,954.28/734,191.86 = 317,108.08/x - Step 3: Cross multiply
531,954.28x = 734,191.86 × 317,108.08 - Step 4: Simplify right side
531,954.28x = 232,818,171,076.23 - Step 5: Solve for x
x = 232,818,171,076.23/531,954.28 - Step 6: Final answer
x = 437,665.75
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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.