Finding the Fourth Proportional to 358,353.09, 537,511.55 and 133,695.95
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Solution
The fourth proportional to 358,353.09, 537,511.55 and 133,695.95 is: 200,537.17
Step by Step Solution
- Step 1: Write the proportion equation
358,353.09 : 537,511.55 = 133,695.95 : x - Step 2: Convert to fraction form
358,353.09/537,511.55 = 133,695.95/x - Step 3: Cross multiply
358,353.09x = 537,511.55 × 133,695.95 - Step 4: Simplify right side
358,353.09x = 71,863,113,957.19 - Step 5: Solve for x
x = 71,863,113,957.19/358,353.09 - Step 6: Final answer
x = 200,537.17
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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.