Finding the Fourth Proportional to 358,871.73, 538,307.58 and 106,132.53
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Solution
The fourth proportional to 358,871.73, 538,307.58 and 106,132.53 is: 159,198.79
Step by Step Solution
- Step 1: Write the proportion equation
358,871.73 : 538,307.58 = 106,132.53 : x - Step 2: Convert to fraction form
358,871.73/538,307.58 = 106,132.53/x - Step 3: Cross multiply
358,871.73x = 538,307.58 × 106,132.53 - Step 4: Simplify right side
358,871.73x = 57,131,945,383.58 - Step 5: Solve for x
x = 57,131,945,383.58/358,871.73 - Step 6: Final answer
x = 159,198.79
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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.