Finding the Fourth Proportional to 190,343.52, 285,557.04 and 57,235.68
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Solution
The fourth proportional to 190,343.52, 285,557.04 and 57,235.68 is: 85,866.08
Step by Step Solution
- Step 1: Write the proportion equation
190,343.52 : 285,557.04 = 57,235.68 : x - Step 2: Convert to fraction form
190,343.52/285,557.04 = 57,235.68/x - Step 3: Cross multiply
190,343.52x = 285,557.04 × 57,235.68 - Step 4: Simplify right side
190,343.52x = 16,344,051,363.19 - Step 5: Solve for x
x = 16,344,051,363.19/190,343.52 - Step 6: Final answer
x = 85,866.08
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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.