Finding the Fourth Proportional to 512,347.95, 768,125.96 and 192,493.05
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Solution
The fourth proportional to 512,347.95, 768,125.96 and 192,493.05 is: 288,590.81
Step by Step Solution
- Step 1: Write the proportion equation
512,347.95 : 768,125.96 = 192,493.05 : x - Step 2: Convert to fraction form
512,347.95/768,125.96 = 192,493.05/x - Step 3: Cross multiply
512,347.95x = 768,125.96 × 192,493.05 - Step 4: Simplify right side
512,347.95x = 147,858,908,824.58 - Step 5: Solve for x
x = 147,858,908,824.58/512,347.95 - Step 6: Final answer
x = 288,590.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.