Finding the Fourth Proportional to 156,250.24, 215,622.77 and 84,629.63
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Solution
The fourth proportional to 156,250.24, 215,622.77 and 84,629.63 is: 116,787.50
Step by Step Solution
- Step 1: Write the proportion equation
156,250.24 : 215,622.77 = 84,629.63 : x - Step 2: Convert to fraction form
156,250.24/215,622.77 = 84,629.63/x - Step 3: Cross multiply
156,250.24x = 215,622.77 × 84,629.63 - Step 4: Simplify right side
156,250.24x = 18,248,075,360.58 - Step 5: Solve for x
x = 18,248,075,360.58/156,250.24 - Step 6: Final answer
x = 116,787.50
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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.