Finding the Fourth Proportional to 358,711.47, 537,880.37 and 133,886.99
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Solution
The fourth proportional to 358,711.47, 537,880.37 and 133,886.99 is: 200,760.75
Step by Step Solution
- Step 1: Write the proportion equation
358,711.47 : 537,880.37 = 133,886.99 : x - Step 2: Convert to fraction form
358,711.47/537,880.37 = 133,886.99/x - Step 3: Cross multiply
358,711.47x = 537,880.37 × 133,886.99 - Step 4: Simplify right side
358,711.47x = 72,015,184,394.65 - Step 5: Solve for x
x = 72,015,184,394.65/358,711.47 - Step 6: Final answer
x = 200,760.75
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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.