Finding the Fourth Proportional to 112,514.23, 155,385.84 and 97,334.02
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Solution
The fourth proportional to 112,514.23, 155,385.84 and 97,334.02 is: 134,421.47
Step by Step Solution
- Step 1: Write the proportion equation
112,514.23 : 155,385.84 = 97,334.02 : x - Step 2: Convert to fraction form
112,514.23/155,385.84 = 97,334.02/x - Step 3: Cross multiply
112,514.23x = 155,385.84 × 97,334.02 - Step 4: Simplify right side
112,514.23x = 15,124,328,458.28 - Step 5: Solve for x
x = 15,124,328,458.28/112,514.23 - Step 6: Final answer
x = 134,421.47
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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.