Finding the Fourth Proportional to 358,464.12, 537,696.19 and 133,842.07
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Solution
The fourth proportional to 358,464.12, 537,696.19 and 133,842.07 is: 200,763.11
Step by Step Solution
- Step 1: Write the proportion equation
358,464.12 : 537,696.19 = 133,842.07 : x - Step 2: Convert to fraction form
358,464.12/537,696.19 = 133,842.07/x - Step 3: Cross multiply
358,464.12x = 537,696.19 × 133,842.07 - Step 4: Simplify right side
358,464.12x = 71,966,371,940.14 - Step 5: Solve for x
x = 71,966,371,940.14/358,464.12 - Step 6: Final answer
x = 200,763.11
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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.