Finding the Fourth Proportional to 358,790.40, 537,926.40 and 201,067.20
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Solution
The fourth proportional to 358,790.40, 537,926.40 and 201,067.20 is: 301,455.54
Step by Step Solution
- Step 1: Write the proportion equation
358,790.40 : 537,926.40 = 201,067.20 : x - Step 2: Convert to fraction form
358,790.40/537,926.40 = 201,067.20/x - Step 3: Cross multiply
358,790.40x = 537,926.40 × 201,067.20 - Step 4: Simplify right side
358,790.40x = 108,159,355,054.08 - Step 5: Solve for x
x = 108,159,355,054.08/358,790.40 - Step 6: Final answer
x = 301,455.54
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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.