Finding the Fourth Proportional to 107,349.44, 160,774.94 and 103,612.84
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Solution
The fourth proportional to 107,349.44, 160,774.94 and 103,612.84 is: 155,178.72
Step by Step Solution
- Step 1: Write the proportion equation
107,349.44 : 160,774.94 = 103,612.84 : x - Step 2: Convert to fraction form
107,349.44/160,774.94 = 103,612.84/x - Step 3: Cross multiply
107,349.44x = 160,774.94 × 103,612.84 - Step 4: Simplify right side
107,349.44x = 16,658,347,991.32 - Step 5: Solve for x
x = 16,658,347,991.32/107,349.44 - Step 6: Final answer
x = 155,178.72
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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.