Finding the Fourth Proportional to 375,464.12, 518,137.38 and 203,378.09
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Solution
The fourth proportional to 375,464.12, 518,137.38 and 203,378.09 is: 280,660.08
Step by Step Solution
- Step 1: Write the proportion equation
375,464.12 : 518,137.38 = 203,378.09 : x - Step 2: Convert to fraction form
375,464.12/518,137.38 = 203,378.09/x - Step 3: Cross multiply
375,464.12x = 518,137.38 × 203,378.09 - Step 4: Simplify right side
375,464.12x = 105,377,788,111.32 - Step 5: Solve for x
x = 105,377,788,111.32/375,464.12 - Step 6: Final answer
x = 280,660.08
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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.