Finding the Fourth Proportional to 147,472.97, 220,865.00 and 135,564.76
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Solution
The fourth proportional to 147,472.97, 220,865.00 and 135,564.76 is: 203,030.49
Step by Step Solution
- Step 1: Write the proportion equation
147,472.97 : 220,865.00 = 135,564.76 : x - Step 2: Convert to fraction form
147,472.97/220,865.00 = 135,564.76/x - Step 3: Cross multiply
147,472.97x = 220,865.00 × 135,564.76 - Step 4: Simplify right side
147,472.97x = 29,941,510,504.15 - Step 5: Solve for x
x = 29,941,510,504.15/147,472.97 - Step 6: Final answer
x = 203,030.49
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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.