Finding the Fourth Proportional to 312,270.26, 468,418.34 and 90,654.26
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Solution
The fourth proportional to 312,270.26, 468,418.34 and 90,654.26 is: 135,985.15
Step by Step Solution
- Step 1: Write the proportion equation
312,270.26 : 468,418.34 = 90,654.26 : x - Step 2: Convert to fraction form
312,270.26/468,418.34 = 90,654.26/x - Step 3: Cross multiply
312,270.26x = 468,418.34 × 90,654.26 - Step 4: Simplify right side
312,270.26x = 42,464,117,983.13 - Step 5: Solve for x
x = 42,464,117,983.13/312,270.26 - Step 6: Final answer
x = 135,985.15
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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.