Finding the Fourth Proportional to 307,676.18, 424,592.21 and 171,708.68
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Solution
The fourth proportional to 307,676.18, 424,592.21 and 171,708.68 is: 236,957.46
Step by Step Solution
- Step 1: Write the proportion equation
307,676.18 : 424,592.21 = 171,708.68 : x - Step 2: Convert to fraction form
307,676.18/424,592.21 = 171,708.68/x - Step 3: Cross multiply
307,676.18x = 424,592.21 × 171,708.68 - Step 4: Simplify right side
307,676.18x = 72,906,166,223.69 - Step 5: Solve for x
x = 72,906,166,223.69/307,676.18 - Step 6: Final answer
x = 236,957.46
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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.