Finding the Fourth Proportional to 309,995.24, 427,818.13 and 174,038.09
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Solution
The fourth proportional to 309,995.24, 427,818.13 and 174,038.09 is: 240,186.43
Step by Step Solution
- Step 1: Write the proportion equation
309,995.24 : 427,818.13 = 174,038.09 : x - Step 2: Convert to fraction form
309,995.24/427,818.13 = 174,038.09/x - Step 3: Cross multiply
309,995.24x = 427,818.13 × 174,038.09 - Step 4: Simplify right side
309,995.24x = 74,456,647,638.39 - Step 5: Solve for x
x = 74,456,647,638.39/309,995.24 - Step 6: Final answer
x = 240,186.43
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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.