Finding the Fourth Proportional to 118,455.42, 177,448.68 and 62,211.18
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Solution
The fourth proportional to 118,455.42, 177,448.68 and 62,211.18 is: 93,193.64
Step by Step Solution
- Step 1: Write the proportion equation
118,455.42 : 177,448.68 = 62,211.18 : x - Step 2: Convert to fraction form
118,455.42/177,448.68 = 62,211.18/x - Step 3: Cross multiply
118,455.42x = 177,448.68 × 62,211.18 - Step 4: Simplify right side
118,455.42x = 11,039,291,772.24 - Step 5: Solve for x
x = 11,039,291,772.24/118,455.42 - Step 6: Final answer
x = 93,193.64
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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.