Finding the Fourth Proportional to 121,764.36, 182,560.68 and 46,821.54
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Solution
The fourth proportional to 121,764.36, 182,560.68 and 46,821.54 is: 70,199.29
Step by Step Solution
- Step 1: Write the proportion equation
121,764.36 : 182,560.68 = 46,821.54 : x - Step 2: Convert to fraction form
121,764.36/182,560.68 = 46,821.54/x - Step 3: Cross multiply
121,764.36x = 182,560.68 × 46,821.54 - Step 4: Simplify right side
121,764.36x = 8,547,772,181.05 - Step 5: Solve for x
x = 8,547,772,181.05/121,764.36 - Step 6: Final answer
x = 70,199.29
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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.