Finding the Fourth Proportional to 117,816.66, 176,746.86 and 47,745.18
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Solution
The fourth proportional to 117,816.66, 176,746.86 and 47,745.18 is: 71,626.63
Step by Step Solution
- Step 1: Write the proportion equation
117,816.66 : 176,746.86 = 47,745.18 : x - Step 2: Convert to fraction form
117,816.66/176,746.86 = 47,745.18/x - Step 3: Cross multiply
117,816.66x = 176,746.86 × 47,745.18 - Step 4: Simplify right side
117,816.66x = 8,438,810,645.13 - Step 5: Solve for x
x = 8,438,810,645.13/117,816.66 - Step 6: Final answer
x = 71,626.63
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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.