Finding the Fourth Proportional to 369,318.99, 509,653.02 and 208,170.99
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Solution
The fourth proportional to 369,318.99, 509,653.02 and 208,170.99 is: 287,271.92
Step by Step Solution
- Step 1: Write the proportion equation
369,318.99 : 509,653.02 = 208,170.99 : x - Step 2: Convert to fraction form
369,318.99/509,653.02 = 208,170.99/x - Step 3: Cross multiply
369,318.99x = 509,653.02 × 208,170.99 - Step 4: Simplify right side
369,318.99x = 106,094,973,729.89 - Step 5: Solve for x
x = 106,094,973,729.89/369,318.99 - Step 6: Final answer
x = 287,271.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.