Finding the Fourth Proportional to 260,813.07, 390,711.96 and 192,299.76
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Solution
The fourth proportional to 260,813.07, 390,711.96 and 192,299.76 is: 288,075.35
Step by Step Solution
- Step 1: Write the proportion equation
260,813.07 : 390,711.96 = 192,299.76 : x - Step 2: Convert to fraction form
260,813.07/390,711.96 = 192,299.76/x - Step 3: Cross multiply
260,813.07x = 390,711.96 × 192,299.76 - Step 4: Simplify right side
260,813.07x = 75,133,816,137.13 - Step 5: Solve for x
x = 75,133,816,137.13/260,813.07 - Step 6: Final answer
x = 288,075.35
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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.