Finding the Fourth Proportional to 307,274.44, 424,037.46 and 171,306.76
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Solution
The fourth proportional to 307,274.44, 424,037.46 and 171,306.76 is: 236,402.62
Step by Step Solution
- Step 1: Write the proportion equation
307,274.44 : 424,037.46 = 171,306.76 : x - Step 2: Convert to fraction form
307,274.44/424,037.46 = 171,306.76/x - Step 3: Cross multiply
307,274.44x = 424,037.46 × 171,306.76 - Step 4: Simplify right side
307,274.44x = 72,640,483,391.23 - Step 5: Solve for x
x = 72,640,483,391.23/307,274.44 - Step 6: Final answer
x = 236,402.62
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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.