Finding the Fourth Proportional to 348,029.80, 522,044.70 and 306,557.80
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Solution
The fourth proportional to 348,029.80, 522,044.70 and 306,557.80 is: 459,836.70
Step by Step Solution
- Step 1: Write the proportion equation
348,029.80 : 522,044.70 = 306,557.80 : x - Step 2: Convert to fraction form
348,029.80/522,044.70 = 306,557.80/x - Step 3: Cross multiply
348,029.80x = 522,044.70 × 306,557.80 - Step 4: Simplify right side
348,029.80x = 160,036,874,733.66 - Step 5: Solve for x
x = 160,036,874,733.66/348,029.80 - Step 6: Final answer
x = 459,836.70
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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.