Finding the Fourth Proportional to 519,149.93, 716,580.11 and 304,336.49
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Solution
The fourth proportional to 519,149.93, 716,580.11 and 304,336.49 is: 420,074.17
Step by Step Solution
- Step 1: Write the proportion equation
519,149.93 : 716,580.11 = 304,336.49 : x - Step 2: Convert to fraction form
519,149.93/716,580.11 = 304,336.49/x - Step 3: Cross multiply
519,149.93x = 716,580.11 × 304,336.49 - Step 4: Simplify right side
519,149.93x = 218,081,472,659.16 - Step 5: Solve for x
x = 218,081,472,659.16/519,149.93 - Step 6: Final answer
x = 420,074.17
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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.