Finding the Fourth Proportional to 79,143.08, 118,716.14 and 29,197.47
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Solution
The fourth proportional to 79,143.08, 118,716.14 and 29,197.47 is: 43,796.77
Step by Step Solution
- Step 1: Write the proportion equation
79,143.08 : 118,716.14 = 29,197.47 : x - Step 2: Convert to fraction form
79,143.08/118,716.14 = 29,197.47/x - Step 3: Cross multiply
79,143.08x = 118,716.14 × 29,197.47 - Step 4: Simplify right side
79,143.08x = 3,466,210,936.17 - Step 5: Solve for x
x = 3,466,210,936.17/79,143.08 - Step 6: Final answer
x = 43,796.77
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1.5x scale
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.