Finding the Fourth Proportional to 409,724.17, 565,456.49 and 248,620.03
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Solution
The fourth proportional to 409,724.17, 565,456.49 and 248,620.03 is: 343,118.17
Step by Step Solution
- Step 1: Write the proportion equation
409,724.17 : 565,456.49 = 248,620.03 : x - Step 2: Convert to fraction form
409,724.17/565,456.49 = 248,620.03/x - Step 3: Cross multiply
409,724.17x = 565,456.49 × 248,620.03 - Step 4: Simplify right side
409,724.17x = 140,583,808,264.40 - Step 5: Solve for x
x = 140,583,808,264.40/409,724.17 - Step 6: Final answer
x = 343,118.17
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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.