Finding the Fourth Proportional to 156,268.24, 215,649.41 and 84,648.38
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Solution
The fourth proportional to 156,268.24, 215,649.41 and 84,648.38 is: 116,814.34
Step by Step Solution
- Step 1: Write the proportion equation
156,268.24 : 215,649.41 = 84,648.38 : x - Step 2: Convert to fraction form
156,268.24/215,649.41 = 84,648.38/x - Step 3: Cross multiply
156,268.24x = 215,649.41 × 84,648.38 - Step 4: Simplify right side
156,268.24x = 18,254,371,702.97 - Step 5: Solve for x
x = 18,254,371,702.97/156,268.24 - Step 6: Final answer
x = 116,814.34
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1.5x scale
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.