Finding the Fourth Proportional to 117,985.18, 176,879.79 and 46,863.94
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Solution
The fourth proportional to 117,985.18, 176,879.79 and 46,863.94 is: 70,256.99
Step by Step Solution
- Step 1: Write the proportion equation
117,985.18 : 176,879.79 = 46,863.94 : x - Step 2: Convert to fraction form
117,985.18/176,879.79 = 46,863.94/x - Step 3: Cross multiply
117,985.18x = 176,879.79 × 46,863.94 - Step 4: Simplify right side
117,985.18x = 8,289,283,865.77 - Step 5: Solve for x
x = 8,289,283,865.77/117,985.18 - Step 6: Final answer
x = 70,256.99
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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.