Finding the Fourth Proportional to 393,637.03, 543,293.27 and 246,530.10
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Solution
The fourth proportional to 393,637.03, 543,293.27 and 246,530.10 is: 340,257.99
Step by Step Solution
- Step 1: Write the proportion equation
393,637.03 : 543,293.27 = 246,530.10 : x - Step 2: Convert to fraction form
393,637.03/543,293.27 = 246,530.10/x - Step 3: Cross multiply
393,637.03x = 543,293.27 × 246,530.10 - Step 4: Simplify right side
393,637.03x = 133,938,144,182.43 - Step 5: Solve for x
x = 133,938,144,182.43/393,637.03 - Step 6: Final answer
x = 340,257.99
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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.