Finding the Fourth Proportional to 358,936.81, 495,336.12 and 197,797.63
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Solution
The fourth proportional to 358,936.81, 495,336.12 and 197,797.63 is: 272,962.55
Step by Step Solution
- Step 1: Write the proportion equation
358,936.81 : 495,336.12 = 197,797.63 : x - Step 2: Convert to fraction form
358,936.81/495,336.12 = 197,797.63/x - Step 3: Cross multiply
358,936.81x = 495,336.12 × 197,797.63 - Step 4: Simplify right side
358,936.81x = 97,976,308,112.72 - Step 5: Solve for x
x = 97,976,308,112.72/358,936.81 - Step 6: Final answer
x = 272,962.55
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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.