Finding the Fourth Proportional to 117,420.22, 175,897.05 and 64,698.94
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Solution
The fourth proportional to 117,420.22, 175,897.05 and 64,698.94 is: 96,919.87
Step by Step Solution
- Step 1: Write the proportion equation
117,420.22 : 175,897.05 = 64,698.94 : x - Step 2: Convert to fraction form
117,420.22/175,897.05 = 64,698.94/x - Step 3: Cross multiply
117,420.22x = 175,897.05 × 64,698.94 - Step 4: Simplify right side
117,420.22x = 11,380,352,684.13 - Step 5: Solve for x
x = 11,380,352,684.13/117,420.22 - Step 6: Final answer
x = 96,919.87
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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.