Finding the Fourth Proportional to 135,447.21, 203,184.18 and 46,689.03
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Solution
The fourth proportional to 135,447.21, 203,184.18 and 46,689.03 is: 70,038.15
Step by Step Solution
- Step 1: Write the proportion equation
135,447.21 : 203,184.18 = 46,689.03 : x - Step 2: Convert to fraction form
135,447.21/203,184.18 = 46,689.03/x - Step 3: Cross multiply
135,447.21x = 203,184.18 × 46,689.03 - Step 4: Simplify right side
135,447.21x = 9,486,472,275.55 - Step 5: Solve for x
x = 9,486,472,275.55/135,447.21 - Step 6: Final answer
x = 70,038.15
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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.