Finding the Fourth Proportional to 107,230.14, 160,845.82 and 28,343.53
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Solution
The fourth proportional to 107,230.14, 160,845.82 and 28,343.53 is: 42,515.46
Step by Step Solution
- Step 1: Write the proportion equation
107,230.14 : 160,845.82 = 28,343.53 : x - Step 2: Convert to fraction form
107,230.14/160,845.82 = 28,343.53/x - Step 3: Cross multiply
107,230.14x = 160,845.82 × 28,343.53 - Step 4: Simplify right side
107,230.14x = 4,558,938,454.74 - Step 5: Solve for x
x = 4,558,938,454.74/107,230.14 - Step 6: Final answer
x = 42,515.46
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1.5x scale
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.