Finding the Fourth Proportional to 545,723.70, 753,154.11 and 304,045.62
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Solution
The fourth proportional to 545,723.70, 753,154.11 and 304,045.62 is: 419,613.82
Step by Step Solution
- Step 1: Write the proportion equation
545,723.70 : 753,154.11 = 304,045.62 : x - Step 2: Convert to fraction form
545,723.70/753,154.11 = 304,045.62/x - Step 3: Cross multiply
545,723.70x = 753,154.11 × 304,045.62 - Step 4: Simplify right side
545,723.70x = 228,993,208,330.50 - Step 5: Solve for x
x = 228,993,208,330.50/545,723.70 - Step 6: Final answer
x = 419,613.82
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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.