Finding the Fourth Proportional to 228,267.21, 342,400.48 and 91,551.98
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Solution
The fourth proportional to 228,267.21, 342,400.48 and 91,551.98 is: 137,327.84
Step by Step Solution
- Step 1: Write the proportion equation
228,267.21 : 342,400.48 = 91,551.98 : x - Step 2: Convert to fraction form
228,267.21/342,400.48 = 91,551.98/x - Step 3: Cross multiply
228,267.21x = 342,400.48 × 91,551.98 - Step 4: Simplify right side
228,267.21x = 31,347,443,039.05 - Step 5: Solve for x
x = 31,347,443,039.05/228,267.21 - Step 6: Final answer
x = 137,327.84
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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.