Finding the Fourth Proportional to 551,481.18, 761,062.50 and 306,476.26
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Solution
The fourth proportional to 551,481.18, 761,062.50 and 306,476.26 is: 422,947.50
Step by Step Solution
- Step 1: Write the proportion equation
551,481.18 : 761,062.50 = 306,476.26 : x - Step 2: Convert to fraction form
551,481.18/761,062.50 = 306,476.26/x - Step 3: Cross multiply
551,481.18x = 761,062.50 × 306,476.26 - Step 4: Simplify right side
551,481.18x = 233,247,588,626.25 - Step 5: Solve for x
x = 233,247,588,626.25/551,481.18 - Step 6: Final answer
x = 422,947.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.