Finding the Fourth Proportional to 168,315.21, 252,406.94 and 63,076.77
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Solution
The fourth proportional to 168,315.21, 252,406.94 and 63,076.77 is: 94,590.47
Step by Step Solution
- Step 1: Write the proportion equation
168,315.21 : 252,406.94 = 63,076.77 : x - Step 2: Convert to fraction form
168,315.21/252,406.94 = 63,076.77/x - Step 3: Cross multiply
168,315.21x = 252,406.94 × 63,076.77 - Step 4: Simplify right side
168,315.21x = 15,921,014,185.40 - Step 5: Solve for x
x = 15,921,014,185.40/168,315.21 - Step 6: Final answer
x = 94,590.47
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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.