Finding the Fourth Proportional to 177,721.85, 266,582.73 and 71,153.75
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Solution
The fourth proportional to 177,721.85, 266,582.73 and 71,153.75 is: 106,730.61
Step by Step Solution
- Step 1: Write the proportion equation
177,721.85 : 266,582.73 = 71,153.75 : x - Step 2: Convert to fraction form
177,721.85/266,582.73 = 71,153.75/x - Step 3: Cross multiply
177,721.85x = 266,582.73 × 71,153.75 - Step 4: Simplify right side
177,721.85x = 18,968,360,924.74 - Step 5: Solve for x
x = 18,968,360,924.74/177,721.85 - Step 6: Final answer
x = 106,730.61
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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.