Finding the Fourth Proportional to 156,613.21, 234,920.09 and 38,284.63
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Solution
The fourth proportional to 156,613.21, 234,920.09 and 38,284.63 is: 57,427.01
Step by Step Solution
- Step 1: Write the proportion equation
156,613.21 : 234,920.09 = 38,284.63 : x - Step 2: Convert to fraction form
156,613.21/234,920.09 = 38,284.63/x - Step 3: Cross multiply
156,613.21x = 234,920.09 × 38,284.63 - Step 4: Simplify right side
156,613.21x = 8,993,828,725.22 - Step 5: Solve for x
x = 8,993,828,725.22/156,613.21 - Step 6: Final answer
x = 57,427.01
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1.5x scale
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.