Finding the Fourth Proportional to 103,670.08, 155,497.71 and 40,478.37
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Solution
The fourth proportional to 103,670.08, 155,497.71 and 40,478.37 is: 60,714.66
Step by Step Solution
- Step 1: Write the proportion equation
103,670.08 : 155,497.71 = 40,478.37 : x - Step 2: Convert to fraction form
103,670.08/155,497.71 = 40,478.37/x - Step 3: Cross multiply
103,670.08x = 155,497.71 × 40,478.37 - Step 4: Simplify right side
103,670.08x = 6,294,293,839.53 - Step 5: Solve for x
x = 6,294,293,839.53/103,670.08 - Step 6: Final answer
x = 60,714.66
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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.