Finding the Fourth Proportional to 121,813.84, 182,598.08 and 50,775.80
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Solution
The fourth proportional to 121,813.84, 182,598.08 and 50,775.80 is: 76,112.56
Step by Step Solution
- Step 1: Write the proportion equation
121,813.84 : 182,598.08 = 50,775.80 : x - Step 2: Convert to fraction form
121,813.84/182,598.08 = 50,775.80/x - Step 3: Cross multiply
121,813.84x = 182,598.08 × 50,775.80 - Step 4: Simplify right side
121,813.84x = 9,271,562,818.63 - Step 5: Solve for x
x = 9,271,562,818.63/121,813.84 - Step 6: Final answer
x = 76,112.56
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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.