Finding the Fourth Proportional to 289,902.84, 399,695.58 and 187,747.80
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Solution
The fourth proportional to 289,902.84, 399,695.58 and 187,747.80 is: 258,852.12
Step by Step Solution
- Step 1: Write the proportion equation
289,902.84 : 399,695.58 = 187,747.80 : x - Step 2: Convert to fraction form
289,902.84/399,695.58 = 187,747.80/x - Step 3: Cross multiply
289,902.84x = 399,695.58 × 187,747.80 - Step 4: Simplify right side
289,902.84x = 75,041,965,814.72 - Step 5: Solve for x
x = 75,041,965,814.72/289,902.84 - Step 6: Final answer
x = 258,852.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.