Finding the Fourth Proportional to 79,197.72, 118,798.18 and 29,252.08
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Solution
The fourth proportional to 79,197.72, 118,798.18 and 29,252.08 is: 43,878.71
Step by Step Solution
- Step 1: Write the proportion equation
79,197.72 : 118,798.18 = 29,252.08 : x - Step 2: Convert to fraction form
79,197.72/118,798.18 = 29,252.08/x - Step 3: Cross multiply
79,197.72x = 118,798.18 × 29,252.08 - Step 4: Simplify right side
79,197.72x = 3,475,093,865.21 - Step 5: Solve for x
x = 3,475,093,865.21/79,197.72 - Step 6: Final answer
x = 43,878.71
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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.