Finding the Fourth Proportional to 375,415.08, 518,069.69 and 203,329.05
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Solution
The fourth proportional to 375,415.08, 518,069.69 and 203,329.05 is: 280,592.40
Step by Step Solution
- Step 1: Write the proportion equation
375,415.08 : 518,069.69 = 203,329.05 : x - Step 2: Convert to fraction form
375,415.08/518,069.69 = 203,329.05/x - Step 3: Cross multiply
375,415.08x = 518,069.69 × 203,329.05 - Step 4: Simplify right side
375,415.08x = 105,338,616,884.85 - Step 5: Solve for x
x = 105,338,616,884.85/375,415.08 - Step 6: Final answer
x = 280,592.40
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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.