Finding the Fourth Proportional to 348,599.70, 522,121.95 and 286,391.70
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Solution
The fourth proportional to 348,599.70, 522,121.95 and 286,391.70 is: 428,948.71
Step by Step Solution
- Step 1: Write the proportion equation
348,599.70 : 522,121.95 = 286,391.70 : x - Step 2: Convert to fraction form
348,599.70/522,121.95 = 286,391.70/x - Step 3: Cross multiply
348,599.70x = 522,121.95 × 286,391.70 - Step 4: Simplify right side
348,599.70x = 149,531,392,867.82 - Step 5: Solve for x
x = 149,531,392,867.82/348,599.70 - Step 6: Final answer
x = 428,948.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.