Finding the Fourth Proportional to 438,174.17, 604,708.56 and 247,183.46
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Solution
The fourth proportional to 438,174.17, 604,708.56 and 247,183.46 is: 341,129.09
Step by Step Solution
- Step 1: Write the proportion equation
438,174.17 : 604,708.56 = 247,183.46 : x - Step 2: Convert to fraction form
438,174.17/604,708.56 = 247,183.46/x - Step 3: Cross multiply
438,174.17x = 604,708.56 × 247,183.46 - Step 4: Simplify right side
438,174.17x = 149,473,954,152.42 - Step 5: Solve for x
x = 149,473,954,152.42/438,174.17 - Step 6: Final answer
x = 341,129.09
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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.