Finding the Fourth Proportional to 420,176.97, 629,866.53 and 167,612.49
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Solution
The fourth proportional to 420,176.97, 629,866.53 and 167,612.49 is: 251,259.60
Step by Step Solution
- Step 1: Write the proportion equation
420,176.97 : 629,866.53 = 167,612.49 : x - Step 2: Convert to fraction form
420,176.97/629,866.53 = 167,612.49/x - Step 3: Cross multiply
420,176.97x = 629,866.53 × 167,612.49 - Step 4: Simplify right side
420,176.97x = 105,573,497,460.96 - Step 5: Solve for x
x = 105,573,497,460.96/420,176.97 - Step 6: Final answer
x = 251,259.60
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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.