Finding the Fourth Proportional to 532,170.36, 734,394.78 and 305,815.32
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Solution
The fourth proportional to 532,170.36, 734,394.78 and 305,815.32 is: 422,024.96
Step by Step Solution
- Step 1: Write the proportion equation
532,170.36 : 734,394.78 = 305,815.32 : x - Step 2: Convert to fraction form
532,170.36/734,394.78 = 305,815.32/x - Step 3: Cross multiply
532,170.36x = 734,394.78 × 305,815.32 - Step 4: Simplify right side
532,170.36x = 224,589,174,652.03 - Step 5: Solve for x
x = 224,589,174,652.03/532,170.36 - Step 6: Final answer
x = 422,024.96
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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.