Finding the Fourth Proportional to 293,985.07, 440,976.74 and 80,753.19
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Solution
The fourth proportional to 293,985.07, 440,976.74 and 80,753.19 is: 121,129.54
Step by Step Solution
- Step 1: Write the proportion equation
293,985.07 : 440,976.74 = 80,753.19 : x - Step 2: Convert to fraction form
293,985.07/440,976.74 = 80,753.19/x - Step 3: Cross multiply
293,985.07x = 440,976.74 × 80,753.19 - Step 4: Simplify right side
293,985.07x = 35,610,276,265.92 - Step 5: Solve for x
x = 35,610,276,265.92/293,985.07 - Step 6: Final answer
x = 121,129.54
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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.