Finding the Fourth Proportional to 229,066.15, 316,097.02 and 138,368.53
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Solution
The fourth proportional to 229,066.15, 316,097.02 and 138,368.53 is: 190,939.95
Step by Step Solution
- Step 1: Write the proportion equation
229,066.15 : 316,097.02 = 138,368.53 : x - Step 2: Convert to fraction form
229,066.15/316,097.02 = 138,368.53/x - Step 3: Cross multiply
229,066.15x = 316,097.02 × 138,368.53 - Step 4: Simplify right side
229,066.15x = 43,737,879,479.26 - Step 5: Solve for x
x = 43,737,879,479.26/229,066.15 - Step 6: Final answer
x = 190,939.95
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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.