Finding the Fourth Proportional to 772,245.18, 1,158,351.03 and 211,279.68
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Solution
The fourth proportional to 772,245.18, 1,158,351.03 and 211,279.68 is: 316,914.94
Step by Step Solution
- Step 1: Write the proportion equation
772,245.18 : 1,158,351.03 = 211,279.68 : x - Step 2: Convert to fraction form
772,245.18/1,158,351.03 = 211,279.68/x - Step 3: Cross multiply
772,245.18x = 1,158,351.03 × 211,279.68 - Step 4: Simplify right side
772,245.18x = 244,736,034,946.07 - Step 5: Solve for x
x = 244,736,034,946.07/772,245.18 - Step 6: Final answer
x = 316,914.94
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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.