Finding the Fourth Proportional to 79,200.74, 118,780.25 and 29,295.14
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Solution
The fourth proportional to 79,200.74, 118,780.25 and 29,295.14 is: 43,934.99
Step by Step Solution
- Step 1: Write the proportion equation
79,200.74 : 118,780.25 = 29,295.14 : x - Step 2: Convert to fraction form
79,200.74/118,780.25 = 29,295.14/x - Step 3: Cross multiply
79,200.74x = 118,780.25 × 29,295.14 - Step 4: Simplify right side
79,200.74x = 3,479,683,312.61 - Step 5: Solve for x
x = 3,479,683,312.61/79,200.74 - Step 6: Final answer
x = 43,934.99
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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.