Finding the Fourth Proportional to 351,458.19, 527,188.97 and 85,218.68
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Solution
The fourth proportional to 351,458.19, 527,188.97 and 85,218.68 is: 127,828.43
Step by Step Solution
- Step 1: Write the proportion equation
351,458.19 : 527,188.97 = 85,218.68 : x - Step 2: Convert to fraction form
351,458.19/527,188.97 = 85,218.68/x - Step 3: Cross multiply
351,458.19x = 527,188.97 × 85,218.68 - Step 4: Simplify right side
351,458.19x = 44,926,349,664.98 - Step 5: Solve for x
x = 44,926,349,664.98/351,458.19 - Step 6: Final answer
x = 127,828.43
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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.