Finding the Fourth Proportional to 372,647.30, 514,236.33 and 202,881.06
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Solution
The fourth proportional to 372,647.30, 514,236.33 and 202,881.06 is: 279,966.64
Step by Step Solution
- Step 1: Write the proportion equation
372,647.30 : 514,236.33 = 202,881.06 : x - Step 2: Convert to fraction form
372,647.30/514,236.33 = 202,881.06/x - Step 3: Cross multiply
372,647.30x = 514,236.33 × 202,881.06 - Step 4: Simplify right side
372,647.30x = 104,328,811,720.91 - Step 5: Solve for x
x = 104,328,811,720.91/372,647.30 - Step 6: Final answer
x = 279,966.64
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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.