Finding the Fourth Proportional to 519,024.96, 716,145.84 and 315,183.60
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Solution
The fourth proportional to 519,024.96, 716,145.84 and 315,183.60 is: 434,887.42
Step by Step Solution
- Step 1: Write the proportion equation
519,024.96 : 716,145.84 = 315,183.60 : x - Step 2: Convert to fraction form
519,024.96/716,145.84 = 315,183.60/x - Step 3: Cross multiply
519,024.96x = 716,145.84 × 315,183.60 - Step 4: Simplify right side
519,024.96x = 225,717,423,976.22 - Step 5: Solve for x
x = 225,717,423,976.22/519,024.96 - Step 6: Final answer
x = 434,887.42
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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.