Finding the Fourth Proportional to 617,572.20, 852,087.63 and 355,863.12
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Solution
The fourth proportional to 617,572.20, 852,087.63 and 355,863.12 is: 490,997.75
Step by Step Solution
- Step 1: Write the proportion equation
617,572.20 : 852,087.63 = 355,863.12 : x - Step 2: Convert to fraction form
617,572.20/852,087.63 = 355,863.12/x - Step 3: Cross multiply
617,572.20x = 852,087.63 × 355,863.12 - Step 4: Simplify right side
617,572.20x = 303,226,562,525.21 - Step 5: Solve for x
x = 303,226,562,525.21/617,572.20 - Step 6: Final answer
x = 490,997.75
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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.