Finding the Fourth Proportional to 176,478.12, 243,301.32 and 119,791.08
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Solution
The fourth proportional to 176,478.12, 243,301.32 and 119,791.08 is: 165,149.81
Step by Step Solution
- Step 1: Write the proportion equation
176,478.12 : 243,301.32 = 119,791.08 : x - Step 2: Convert to fraction form
176,478.12/243,301.32 = 119,791.08/x - Step 3: Cross multiply
176,478.12x = 243,301.32 × 119,791.08 - Step 4: Simplify right side
176,478.12x = 29,145,327,888.23 - Step 5: Solve for x
x = 29,145,327,888.23/176,478.12 - Step 6: Final answer
x = 165,149.81
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1.5x scale
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.