Finding the Fourth Proportional to 229,038.23, 343,482.09 and 77,194.58
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Solution
The fourth proportional to 229,038.23, 343,482.09 and 77,194.58 is: 115,766.50
Step by Step Solution
- Step 1: Write the proportion equation
229,038.23 : 343,482.09 = 77,194.58 : x - Step 2: Convert to fraction form
229,038.23/343,482.09 = 77,194.58/x - Step 3: Cross multiply
229,038.23x = 343,482.09 × 77,194.58 - Step 4: Simplify right side
229,038.23x = 26,514,953,957.66 - Step 5: Solve for x
x = 26,514,953,957.66/229,038.23 - Step 6: Final answer
x = 115,766.50
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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.