Finding the Fourth Proportional to 117,040.05, 175,486.26 and 64,486.44
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Solution
The fourth proportional to 117,040.05, 175,486.26 and 64,486.44 is: 96,688.99
Step by Step Solution
- Step 1: Write the proportion equation
117,040.05 : 175,486.26 = 64,486.44 : x - Step 2: Convert to fraction form
117,040.05/175,486.26 = 64,486.44/x - Step 3: Cross multiply
117,040.05x = 175,486.26 × 64,486.44 - Step 4: Simplify right side
117,040.05x = 11,316,484,176.31 - Step 5: Solve for x
x = 11,316,484,176.31/117,040.05 - Step 6: Final answer
x = 96,688.99
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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.