Finding the Fourth Proportional to 681,118.32, 1,021,674.60 and 207,802.08
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Solution
The fourth proportional to 681,118.32, 1,021,674.60 and 207,802.08 is: 311,702.24
Step by Step Solution
- Step 1: Write the proportion equation
681,118.32 : 1,021,674.60 = 207,802.08 : x - Step 2: Convert to fraction form
681,118.32/1,021,674.60 = 207,802.08/x - Step 3: Cross multiply
681,118.32x = 1,021,674.60 × 207,802.08 - Step 4: Simplify right side
681,118.32x = 212,306,106,963.17 - Step 5: Solve for x
x = 212,306,106,963.17/681,118.32 - Step 6: Final answer
x = 311,702.24
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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.