Finding the Fourth Proportional to 289,788.18, 434,375.46 and 97,479.53
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Solution
The fourth proportional to 289,788.18, 434,375.46 and 97,479.53 is: 146,116.08
Step by Step Solution
- Step 1: Write the proportion equation
289,788.18 : 434,375.46 = 97,479.53 : x - Step 2: Convert to fraction form
289,788.18/434,375.46 = 97,479.53/x - Step 3: Cross multiply
289,788.18x = 434,375.46 × 97,479.53 - Step 4: Simplify right side
289,788.18x = 42,342,713,512.46 - Step 5: Solve for x
x = 42,342,713,512.46/289,788.18 - Step 6: Final answer
x = 146,116.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.