Finding the Fourth Proportional to 424,151.68, 585,317.76 and 233,165.12
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Solution
The fourth proportional to 424,151.68, 585,317.76 and 233,165.12 is: 321,761.51
Step by Step Solution
- Step 1: Write the proportion equation
424,151.68 : 585,317.76 = 233,165.12 : x - Step 2: Convert to fraction form
424,151.68/585,317.76 = 233,165.12/x - Step 3: Cross multiply
424,151.68x = 585,317.76 × 233,165.12 - Step 4: Simplify right side
424,151.68x = 136,475,685,748.53 - Step 5: Solve for x
x = 136,475,685,748.53/424,151.68 - Step 6: Final answer
x = 321,761.51
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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.