Finding the Fourth Proportional to 218,304.42, 301,160.53 and 157,779.19
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Solution
The fourth proportional to 218,304.42, 301,160.53 and 157,779.19 is: 217,663.32
Step by Step Solution
- Step 1: Write the proportion equation
218,304.42 : 301,160.53 = 157,779.19 : x - Step 2: Convert to fraction form
218,304.42/301,160.53 = 157,779.19/x - Step 3: Cross multiply
218,304.42x = 301,160.53 × 157,779.19 - Step 4: Simplify right side
218,304.42x = 47,516,865,057.05 - Step 5: Solve for x
x = 47,516,865,057.05/218,304.42 - Step 6: Final answer
x = 217,663.32
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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.