Finding the Fourth Proportional to 358,879.13, 495,253.68 and 195,534.80
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Solution
The fourth proportional to 358,879.13, 495,253.68 and 195,534.80 is: 269,838.29
Step by Step Solution
- Step 1: Write the proportion equation
358,879.13 : 495,253.68 = 195,534.80 : x - Step 2: Convert to fraction form
358,879.13/495,253.68 = 195,534.80/x - Step 3: Cross multiply
358,879.13x = 495,253.68 × 195,534.80 - Step 4: Simplify right side
358,879.13x = 96,839,329,268.06 - Step 5: Solve for x
x = 96,839,329,268.06/358,879.13 - Step 6: Final answer
x = 269,838.29
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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.