Finding the Fourth Proportional to 251,743.80, 377,615.70 and 118,579.80
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Solution
The fourth proportional to 251,743.80, 377,615.70 and 118,579.80 is: 177,869.70
Step by Step Solution
- Step 1: Write the proportion equation
251,743.80 : 377,615.70 = 118,579.80 : x - Step 2: Convert to fraction form
251,743.80/377,615.70 = 118,579.80/x - Step 3: Cross multiply
251,743.80x = 377,615.70 × 118,579.80 - Step 4: Simplify right side
251,743.80x = 44,777,594,182.86 - Step 5: Solve for x
x = 44,777,594,182.86/251,743.80 - Step 6: Final answer
x = 177,869.70
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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.