Finding the Fourth Proportional to 486,306.99, 728,961.66 and 186,706.89
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Solution
The fourth proportional to 486,306.99, 728,961.66 and 186,706.89 is: 279,868.82
Step by Step Solution
- Step 1: Write the proportion equation
486,306.99 : 728,961.66 = 186,706.89 : x - Step 2: Convert to fraction form
486,306.99/728,961.66 = 186,706.89/x - Step 3: Cross multiply
486,306.99x = 728,961.66 × 186,706.89 - Step 4: Simplify right side
486,306.99x = 136,102,164,467.84 - Step 5: Solve for x
x = 136,102,164,467.84/486,306.99 - Step 6: Final answer
x = 279,868.82
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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.