Finding the Fourth Proportional to 114,471.63, 171,705.62 and 31,365.63
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Solution
The fourth proportional to 114,471.63, 171,705.62 and 31,365.63 is: 47,047.95
Step by Step Solution
- Step 1: Write the proportion equation
114,471.63 : 171,705.62 = 31,365.63 : x - Step 2: Convert to fraction form
114,471.63/171,705.62 = 31,365.63/x - Step 3: Cross multiply
114,471.63x = 171,705.62 × 31,365.63 - Step 4: Simplify right side
114,471.63x = 5,385,655,024.25 - Step 5: Solve for x
x = 5,385,655,024.25/114,471.63 - Step 6: Final answer
x = 47,047.95
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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.