Finding the Fourth Proportional to 160,397.34, 221,345.02 and 88,773.09
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Solution
The fourth proportional to 160,397.34, 221,345.02 and 88,773.09 is: 122,505.03
Step by Step Solution
- Step 1: Write the proportion equation
160,397.34 : 221,345.02 = 88,773.09 : x - Step 2: Convert to fraction form
160,397.34/221,345.02 = 88,773.09/x - Step 3: Cross multiply
160,397.34x = 221,345.02 × 88,773.09 - Step 4: Simplify right side
160,397.34x = 19,649,479,830.92 - Step 5: Solve for x
x = 19,649,479,830.92/160,397.34 - Step 6: Final answer
x = 122,505.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.