Finding the Fourth Proportional to 364,421.20, 503,135.40 and 228,641.44
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Solution
The fourth proportional to 364,421.20, 503,135.40 and 228,641.44 is: 315,672.09
Step by Step Solution
- Step 1: Write the proportion equation
364,421.20 : 503,135.40 = 228,641.44 : x - Step 2: Convert to fraction form
364,421.20/503,135.40 = 228,641.44/x - Step 3: Cross multiply
364,421.20x = 503,135.40 × 228,641.44 - Step 4: Simplify right side
364,421.20x = 115,037,602,370.98 - Step 5: Solve for x
x = 115,037,602,370.98/364,421.20 - Step 6: Final answer
x = 315,672.09
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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.