Finding the Fourth Proportional to 170,398.48, 235,084.51 and 102,431.99
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Solution
The fourth proportional to 170,398.48, 235,084.51 and 102,431.99 is: 141,316.83
Step by Step Solution
- Step 1: Write the proportion equation
170,398.48 : 235,084.51 = 102,431.99 : x - Step 2: Convert to fraction form
170,398.48/235,084.51 = 102,431.99/x - Step 3: Cross multiply
170,398.48x = 235,084.51 × 102,431.99 - Step 4: Simplify right side
170,398.48x = 24,080,173,002.05 - Step 5: Solve for x
x = 24,080,173,002.05/170,398.48 - Step 6: Final answer
x = 141,316.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.