Finding the Fourth Proportional to 454,775.54, 681,871.68 and 188,719.70
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Solution
The fourth proportional to 454,775.54, 681,871.68 and 188,719.70 is: 282,958.53
Step by Step Solution
- Step 1: Write the proportion equation
454,775.54 : 681,871.68 = 188,719.70 : x - Step 2: Convert to fraction form
454,775.54/681,871.68 = 188,719.70/x - Step 3: Cross multiply
454,775.54x = 681,871.68 × 188,719.70 - Step 4: Simplify right side
454,775.54x = 128,682,618,888.10 - Step 5: Solve for x
x = 128,682,618,888.10/454,775.54 - Step 6: Final answer
x = 282,958.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.