Finding the Fourth Proportional to 178,312.62, 246,069.99 and 102,859.50
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Solution
The fourth proportional to 178,312.62, 246,069.99 and 102,859.50 is: 141,945.29
Step by Step Solution
- Step 1: Write the proportion equation
178,312.62 : 246,069.99 = 102,859.50 : x - Step 2: Convert to fraction form
178,312.62/246,069.99 = 102,859.50/x - Step 3: Cross multiply
178,312.62x = 246,069.99 × 102,859.50 - Step 4: Simplify right side
178,312.62x = 25,310,636,136.41 - Step 5: Solve for x
x = 25,310,636,136.41/178,312.62 - Step 6: Final answer
x = 141,945.29
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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.