Finding the Fourth Proportional to 485,855.26, 729,108.12 and 170,312.02
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Solution
The fourth proportional to 485,855.26, 729,108.12 and 170,312.02 is: 255,582.04
Step by Step Solution
- Step 1: Write the proportion equation
485,855.26 : 729,108.12 = 170,312.02 : x - Step 2: Convert to fraction form
485,855.26/729,108.12 = 170,312.02/x - Step 3: Cross multiply
485,855.26x = 729,108.12 × 170,312.02 - Step 4: Simplify right side
485,855.26x = 124,175,876,715.60 - Step 5: Solve for x
x = 124,175,876,715.60/485,855.26 - Step 6: Final answer
x = 255,582.04
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.