Finding the Fourth Proportional to 358,990.93, 495,320.47 and 203,907.70
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Solution
The fourth proportional to 358,990.93, 495,320.47 and 203,907.70 is: 281,343.20
Step by Step Solution
- Step 1: Write the proportion equation
358,990.93 : 495,320.47 = 203,907.70 : x - Step 2: Convert to fraction form
358,990.93/495,320.47 = 203,907.70/x - Step 3: Cross multiply
358,990.93x = 495,320.47 × 203,907.70 - Step 4: Simplify right side
358,990.93x = 100,999,657,800.62 - Step 5: Solve for x
x = 100,999,657,800.62/358,990.93 - Step 6: Final answer
x = 281,343.20
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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.