Finding the Fourth Proportional to 358,933.80, 495,321.84 and 197,803.80
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Solution
The fourth proportional to 358,933.80, 495,321.84 and 197,803.80 is: 272,965.49
Step by Step Solution
- Step 1: Write the proportion equation
358,933.80 : 495,321.84 = 197,803.80 : x - Step 2: Convert to fraction form
358,933.80/495,321.84 = 197,803.80/x - Step 3: Cross multiply
358,933.80x = 495,321.84 × 197,803.80 - Step 4: Simplify right side
358,933.80x = 97,976,542,174.99 - Step 5: Solve for x
x = 97,976,542,174.99/358,933.80 - Step 6: Final answer
x = 272,965.49
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1.5x scale
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.