Finding the Fourth Proportional to 548,385.84, 756,741.06 and 303,355.98
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Solution
The fourth proportional to 548,385.84, 756,741.06 and 303,355.98 is: 418,613.88
Step by Step Solution
- Step 1: Write the proportion equation
548,385.84 : 756,741.06 = 303,355.98 : x - Step 2: Convert to fraction form
548,385.84/756,741.06 = 303,355.98/x - Step 3: Cross multiply
548,385.84x = 756,741.06 × 303,355.98 - Step 4: Simplify right side
548,385.84x = 229,561,925,862.54 - Step 5: Solve for x
x = 229,561,925,862.54/548,385.84 - Step 6: Final answer
x = 418,613.88
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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.