Finding the Fourth Proportional to 358,987.36, 495,425.96 and 206,075.08
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Solution
The fourth proportional to 358,987.36, 495,425.96 and 206,075.08 is: 284,397.04
Step by Step Solution
- Step 1: Write the proportion equation
358,987.36 : 495,425.96 = 206,075.08 : x - Step 2: Convert to fraction form
358,987.36/495,425.96 = 206,075.08/x - Step 3: Cross multiply
358,987.36x = 495,425.96 × 206,075.08 - Step 4: Simplify right side
358,987.36x = 102,094,944,341.08 - Step 5: Solve for x
x = 102,094,944,341.08/358,987.36 - Step 6: Final answer
x = 284,397.04
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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.