Finding the Fourth Proportional to 181,158.60, 271,784.88 and 68,840.76
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Solution
The fourth proportional to 181,158.60, 271,784.88 and 68,840.76 is: 103,278.99
Step by Step Solution
- Step 1: Write the proportion equation
181,158.60 : 271,784.88 = 68,840.76 : x - Step 2: Convert to fraction form
181,158.60/271,784.88 = 68,840.76/x - Step 3: Cross multiply
181,158.60x = 271,784.88 × 68,840.76 - Step 4: Simplify right side
181,158.60x = 18,709,877,695.71 - Step 5: Solve for x
x = 18,709,877,695.71/181,158.60 - Step 6: Final answer
x = 103,278.99
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1.5x scale
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.