Finding the Fourth Proportional to 160,659.18, 239,552.44 and 156,245.21
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Solution
The fourth proportional to 160,659.18, 239,552.44 and 156,245.21 is: 232,970.95
Step by Step Solution
- Step 1: Write the proportion equation
160,659.18 : 239,552.44 = 156,245.21 : x - Step 2: Convert to fraction form
160,659.18/239,552.44 = 156,245.21/x - Step 3: Cross multiply
160,659.18x = 239,552.44 × 156,245.21 - Step 4: Simplify right side
160,659.18x = 37,428,921,293.81 - Step 5: Solve for x
x = 37,428,921,293.81/160,659.18 - Step 6: Final answer
x = 232,970.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.