Finding the Fourth Proportional to 258,104.27, 387,088.75 and 115,869.99
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Solution
The fourth proportional to 258,104.27, 387,088.75 and 115,869.99 is: 173,774.62
Step by Step Solution
- Step 1: Write the proportion equation
258,104.27 : 387,088.75 = 115,869.99 : x - Step 2: Convert to fraction form
258,104.27/387,088.75 = 115,869.99/x - Step 3: Cross multiply
258,104.27x = 387,088.75 × 115,869.99 - Step 4: Simplify right side
258,104.27x = 44,851,970,862.15 - Step 5: Solve for x
x = 44,851,970,862.15/258,104.27 - Step 6: Final answer
x = 173,774.62
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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.