Finding the Fourth Proportional to 519,210.21, 716,546.04 and 289,812.14
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Solution
The fourth proportional to 519,210.21, 716,546.04 and 289,812.14 is: 399,960.82
Step by Step Solution
- Step 1: Write the proportion equation
519,210.21 : 716,546.04 = 289,812.14 : x - Step 2: Convert to fraction form
519,210.21/716,546.04 = 289,812.14/x - Step 3: Cross multiply
519,210.21x = 716,546.04 × 289,812.14 - Step 4: Simplify right side
519,210.21x = 207,663,741,260.93 - Step 5: Solve for x
x = 207,663,741,260.93/519,210.21 - Step 6: Final answer
x = 399,960.82
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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.