Finding the Fourth Proportional to 103,663.08, 155,468.70 and 29,791.08
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Solution
The fourth proportional to 103,663.08, 155,468.70 and 29,791.08 is: 44,679.17
Step by Step Solution
- Step 1: Write the proportion equation
103,663.08 : 155,468.70 = 29,791.08 : x - Step 2: Convert to fraction form
103,663.08/155,468.70 = 29,791.08/x - Step 3: Cross multiply
103,663.08x = 155,468.70 × 29,791.08 - Step 4: Simplify right side
103,663.08x = 4,631,580,479.20 - Step 5: Solve for x
x = 4,631,580,479.20/103,663.08 - Step 6: Final answer
x = 44,679.17
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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.