Finding the Fourth Proportional to 673,648.16, 929,634.32 and 371,842.08
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Solution
The fourth proportional to 673,648.16, 929,634.32 and 371,842.08 is: 513,141.99
Step by Step Solution
- Step 1: Write the proportion equation
673,648.16 : 929,634.32 = 371,842.08 : x - Step 2: Convert to fraction form
673,648.16/929,634.32 = 371,842.08/x - Step 3: Cross multiply
673,648.16x = 929,634.32 × 371,842.08 - Step 4: Simplify right side
673,648.16x = 345,677,159,188.19 - Step 5: Solve for x
x = 345,677,159,188.19/673,648.16 - Step 6: Final answer
x = 513,141.99
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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.