Finding the Fourth Proportional to 617,438.08, 852,041.28 and 349,171.84
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Solution
The fourth proportional to 617,438.08, 852,041.28 and 349,171.84 is: 481,843.98
Step by Step Solution
- Step 1: Write the proportion equation
617,438.08 : 852,041.28 = 349,171.84 : x - Step 2: Convert to fraction form
617,438.08/852,041.28 = 349,171.84/x - Step 3: Cross multiply
617,438.08x = 852,041.28 × 349,171.84 - Step 4: Simplify right side
617,438.08x = 297,508,821,493.56 - Step 5: Solve for x
x = 297,508,821,493.56/617,438.08 - Step 6: Final answer
x = 481,843.98
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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.