Finding the Fourth Proportional to 79,145.08, 118,719.14 and 29,199.48
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Solution
The fourth proportional to 79,145.08, 118,719.14 and 29,199.48 is: 43,799.78
Step by Step Solution
- Step 1: Write the proportion equation
79,145.08 : 118,719.14 = 29,199.48 : x - Step 2: Convert to fraction form
79,145.08/118,719.14 = 29,199.48/x - Step 3: Cross multiply
79,145.08x = 118,719.14 × 29,199.48 - Step 4: Simplify right side
79,145.08x = 3,466,537,154.05 - Step 5: Solve for x
x = 3,466,537,154.05/79,145.08 - Step 6: Final answer
x = 43,799.78
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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.