Finding the Fourth Proportional to 479,344.78, 661,509.63 and 264,498.68
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Solution
The fourth proportional to 479,344.78, 661,509.63 and 264,498.68 is: 365,015.82
Step by Step Solution
- Step 1: Write the proportion equation
479,344.78 : 661,509.63 = 264,498.68 : x - Step 2: Convert to fraction form
479,344.78/661,509.63 = 264,498.68/x - Step 3: Cross multiply
479,344.78x = 661,509.63 × 264,498.68 - Step 4: Simplify right side
479,344.78x = 174,968,423,942.29 - Step 5: Solve for x
x = 174,968,423,942.29/479,344.78 - Step 6: Final answer
x = 365,015.82
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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.