Finding the Fourth Proportional to 170,122.08, 234,670.59 and 106,349.16
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Solution
The fourth proportional to 170,122.08, 234,670.59 and 106,349.16 is: 146,700.65
Step by Step Solution
- Step 1: Write the proportion equation
170,122.08 : 234,670.59 = 106,349.16 : x - Step 2: Convert to fraction form
170,122.08/234,670.59 = 106,349.16/x - Step 3: Cross multiply
170,122.08x = 234,670.59 × 106,349.16 - Step 4: Simplify right side
170,122.08x = 24,957,020,123.20 - Step 5: Solve for x
x = 24,957,020,123.20/170,122.08 - Step 6: Final answer
x = 146,700.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.