Finding the Fourth Proportional to 358,386.28, 537,537.84 and 133,754.56
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Solution
The fourth proportional to 358,386.28, 537,537.84 and 133,754.56 is: 200,616.32
Step by Step Solution
- Step 1: Write the proportion equation
358,386.28 : 537,537.84 = 133,754.56 : x - Step 2: Convert to fraction form
358,386.28/537,537.84 = 133,754.56/x - Step 3: Cross multiply
358,386.28x = 537,537.84 × 133,754.56 - Step 4: Simplify right side
358,386.28x = 71,898,137,272.55 - Step 5: Solve for x
x = 71,898,137,272.55/358,386.28 - Step 6: Final answer
x = 200,616.32
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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.