Finding the Fourth Proportional to 318,170.08, 439,063.49 and 174,929.02
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Solution
The fourth proportional to 318,170.08, 439,063.49 and 174,929.02 is: 241,395.88
Step by Step Solution
- Step 1: Write the proportion equation
318,170.08 : 439,063.49 = 174,929.02 : x - Step 2: Convert to fraction form
318,170.08/439,063.49 = 174,929.02/x - Step 3: Cross multiply
318,170.08x = 439,063.49 × 174,929.02 - Step 4: Simplify right side
318,170.08x = 76,804,944,379.17 - Step 5: Solve for x
x = 76,804,944,379.17/318,170.08 - Step 6: Final answer
x = 241,395.88
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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.