Finding the Fourth Proportional to 153,446.04, 230,207.40 and 121,974.84
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Solution
The fourth proportional to 153,446.04, 230,207.40 and 121,974.84 is: 182,992.74
Step by Step Solution
- Step 1: Write the proportion equation
153,446.04 : 230,207.40 = 121,974.84 : x - Step 2: Convert to fraction form
153,446.04/230,207.40 = 121,974.84/x - Step 3: Cross multiply
153,446.04x = 230,207.40 × 121,974.84 - Step 4: Simplify right side
153,446.04x = 28,079,510,781.82 - Step 5: Solve for x
x = 28,079,510,781.82/153,446.04 - Step 6: Final answer
x = 182,992.74
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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.