Finding the Fourth Proportional to 160,837.92, 221,981.76 and 97,184.88
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Solution
The fourth proportional to 160,837.92, 221,981.76 and 97,184.88 is: 134,130.50
Step by Step Solution
- Step 1: Write the proportion equation
160,837.92 : 221,981.76 = 97,184.88 : x - Step 2: Convert to fraction form
160,837.92/221,981.76 = 97,184.88/x - Step 3: Cross multiply
160,837.92x = 221,981.76 × 97,184.88 - Step 4: Simplify right side
160,837.92x = 21,573,270,707.79 - Step 5: Solve for x
x = 21,573,270,707.79/160,837.92 - Step 6: Final answer
x = 134,130.50
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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.