Finding the Fourth Proportional to 364,378.08, 502,460.18 and 313,563.12
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Solution
The fourth proportional to 364,378.08, 502,460.18 and 313,563.12 is: 432,388.75
Step by Step Solution
- Step 1: Write the proportion equation
364,378.08 : 502,460.18 = 313,563.12 : x - Step 2: Convert to fraction form
364,378.08/502,460.18 = 313,563.12/x - Step 3: Cross multiply
364,378.08x = 502,460.18 × 313,563.12 - Step 4: Simplify right side
364,378.08x = 157,552,981,716.56 - Step 5: Solve for x
x = 157,552,981,716.56/364,378.08 - Step 6: Final answer
x = 432,388.75
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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.