Finding the Fourth Proportional to 545,950.12, 753,454.98 and 304,310.92
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Solution
The fourth proportional to 545,950.12, 753,454.98 and 304,310.92 is: 419,973.49
Step by Step Solution
- Step 1: Write the proportion equation
545,950.12 : 753,454.98 = 304,310.92 : x - Step 2: Convert to fraction form
545,950.12/753,454.98 = 304,310.92/x - Step 3: Cross multiply
545,950.12x = 753,454.98 × 304,310.92 - Step 4: Simplify right side
545,950.12x = 229,284,578,142.38 - Step 5: Solve for x
x = 229,284,578,142.38/545,950.12 - Step 6: Final answer
x = 419,973.49
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1.5x scale
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.