Finding the Fourth Proportional to 132,395.88, 198,593.82 and 38,901.63
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Solution
The fourth proportional to 132,395.88, 198,593.82 and 38,901.63 is: 58,352.45
Step by Step Solution
- Step 1: Write the proportion equation
132,395.88 : 198,593.82 = 38,901.63 : x - Step 2: Convert to fraction form
132,395.88/198,593.82 = 38,901.63/x - Step 3: Cross multiply
132,395.88x = 198,593.82 × 38,901.63 - Step 4: Simplify right side
132,395.88x = 7,725,623,305.93 - Step 5: Solve for x
x = 7,725,623,305.93/132,395.88 - Step 6: Final answer
x = 58,352.45
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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.