Finding the Fourth Proportional to 358,368.53, 537,511.21 and 133,736.81
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Solution
The fourth proportional to 358,368.53, 537,511.21 and 133,736.81 is: 200,589.70
Step by Step Solution
- Step 1: Write the proportion equation
358,368.53 : 537,511.21 = 133,736.81 : x - Step 2: Convert to fraction form
358,368.53/537,511.21 = 133,736.81/x - Step 3: Cross multiply
358,368.53x = 537,511.21 × 133,736.81 - Step 4: Simplify right side
358,368.53x = 71,885,034,564.64 - Step 5: Solve for x
x = 71,885,034,564.64/358,368.53 - Step 6: Final answer
x = 200,589.70
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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.