Finding the Fourth Proportional to 438,007.92, 604,448.28 and 236,803.44
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Solution
The fourth proportional to 438,007.92, 604,448.28 and 236,803.44 is: 326,787.31
Step by Step Solution
- Step 1: Write the proportion equation
438,007.92 : 604,448.28 = 236,803.44 : x - Step 2: Convert to fraction form
438,007.92/604,448.28 = 236,803.44/x - Step 3: Cross multiply
438,007.92x = 604,448.28 × 236,803.44 - Step 4: Simplify right side
438,007.92x = 143,135,432,006.08 - Step 5: Solve for x
x = 143,135,432,006.08/438,007.92 - Step 6: Final answer
x = 326,787.31
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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.