Finding the Fourth Proportional to 79,365.36, 119,044.16 and 29,455.18
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Solution
The fourth proportional to 79,365.36, 119,044.16 and 29,455.18 is: 44,181.33
Step by Step Solution
- Step 1: Write the proportion equation
79,365.36 : 119,044.16 = 29,455.18 : x - Step 2: Convert to fraction form
79,365.36/119,044.16 = 29,455.18/x - Step 3: Cross multiply
79,365.36x = 119,044.16 × 29,455.18 - Step 4: Simplify right side
79,365.36x = 3,506,467,160.75 - Step 5: Solve for x
x = 3,506,467,160.75/79,365.36 - Step 6: Final answer
x = 44,181.33
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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.