Finding the Fourth Proportional to 237,638.44, 327,887.84 and 135,631.29
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Solution
The fourth proportional to 237,638.44, 327,887.84 and 135,631.29 is: 187,140.82
Step by Step Solution
- Step 1: Write the proportion equation
237,638.44 : 327,887.84 = 135,631.29 : x - Step 2: Convert to fraction form
237,638.44/327,887.84 = 135,631.29/x - Step 3: Cross multiply
237,638.44x = 327,887.84 × 135,631.29 - Step 4: Simplify right side
237,638.44x = 44,471,851,053.59 - Step 5: Solve for x
x = 44,471,851,053.59/237,638.44 - Step 6: Final answer
x = 187,140.82
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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.