Finding the Fourth Proportional to 515,176.10, 772,218.75 and 173,294.08
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Solution
The fourth proportional to 515,176.10, 772,218.75 and 173,294.08 is: 259,757.66
Step by Step Solution
- Step 1: Write the proportion equation
515,176.10 : 772,218.75 = 173,294.08 : x - Step 2: Convert to fraction form
515,176.10/772,218.75 = 173,294.08/x - Step 3: Cross multiply
515,176.10x = 772,218.75 × 173,294.08 - Step 4: Simplify right side
515,176.10x = 133,820,937,840.00 - Step 5: Solve for x
x = 133,820,937,840.00/515,176.10 - Step 6: Final answer
x = 259,757.66
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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.