Finding the Fourth Proportional to 131,561.52, 197,297.57 and 42,792.99
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Solution
The fourth proportional to 131,561.52, 197,297.57 and 42,792.99 is: 64,174.94
Step by Step Solution
- Step 1: Write the proportion equation
131,561.52 : 197,297.57 = 42,792.99 : x - Step 2: Convert to fraction form
131,561.52/197,297.57 = 42,792.99/x - Step 3: Cross multiply
131,561.52x = 197,297.57 × 42,792.99 - Step 4: Simplify right side
131,561.52x = 8,442,952,726.07 - Step 5: Solve for x
x = 8,442,952,726.07/131,561.52 - Step 6: Final answer
x = 64,174.94
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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.