Finding the Fourth Proportional to 439,329.28, 606,267.84 and 248,335.96
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Solution
The fourth proportional to 439,329.28, 606,267.84 and 248,335.96 is: 342,699.91
Step by Step Solution
- Step 1: Write the proportion equation
439,329.28 : 606,267.84 = 248,335.96 : x - Step 2: Convert to fraction form
439,329.28/606,267.84 = 248,335.96/x - Step 3: Cross multiply
439,329.28x = 606,267.84 × 248,335.96 - Step 4: Simplify right side
439,329.28x = 150,558,106,063.53 - Step 5: Solve for x
x = 150,558,106,063.53/439,329.28 - Step 6: Final answer
x = 342,699.91
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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.