Finding the Fourth Proportional to 860,073.48, 1,290,114.36 and 261,039.84
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Solution
The fourth proportional to 860,073.48, 1,290,114.36 and 261,039.84 is: 391,561.02
Step by Step Solution
- Step 1: Write the proportion equation
860,073.48 : 1,290,114.36 = 261,039.84 : x - Step 2: Convert to fraction form
860,073.48/1,290,114.36 = 261,039.84/x - Step 3: Cross multiply
860,073.48x = 1,290,114.36 × 261,039.84 - Step 4: Simplify right side
860,073.48x = 336,771,246,116.10 - Step 5: Solve for x
x = 336,771,246,116.10/860,073.48 - Step 6: Final answer
x = 391,561.02
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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.