Finding the Fourth Proportional to 424,837.53, 586,207.19 and 243,516.09
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Solution
The fourth proportional to 424,837.53, 586,207.19 and 243,516.09 is: 336,012.89
Step by Step Solution
- Step 1: Write the proportion equation
424,837.53 : 586,207.19 = 243,516.09 : x - Step 2: Convert to fraction form
424,837.53/586,207.19 = 243,516.09/x - Step 3: Cross multiply
424,837.53x = 586,207.19 × 243,516.09 - Step 4: Simplify right side
424,837.53x = 142,750,885,645.75 - Step 5: Solve for x
x = 142,750,885,645.75/424,837.53 - Step 6: Final answer
x = 336,012.89
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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.