Finding the Fourth Proportional to 237,420.70, 327,671.86 and 135,422.80
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Solution
The fourth proportional to 237,420.70, 327,671.86 and 135,422.80 is: 186,901.31
Step by Step Solution
- Step 1: Write the proportion equation
237,420.70 : 327,671.86 = 135,422.80 : x - Step 2: Convert to fraction form
237,420.70/327,671.86 = 135,422.80/x - Step 3: Cross multiply
237,420.70x = 327,671.86 × 135,422.80 - Step 4: Simplify right side
237,420.70x = 44,374,240,762.41 - Step 5: Solve for x
x = 44,374,240,762.41/237,420.70 - Step 6: Final answer
x = 186,901.31
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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.