Finding the Fourth Proportional to 147,749.13, 221,623.69 and 36,941.13
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Solution
The fourth proportional to 147,749.13, 221,623.69 and 36,941.13 is: 55,411.69
Step by Step Solution
- Step 1: Write the proportion equation
147,749.13 : 221,623.69 = 36,941.13 : x - Step 2: Convert to fraction form
147,749.13/221,623.69 = 36,941.13/x - Step 3: Cross multiply
147,749.13x = 221,623.69 × 36,941.13 - Step 4: Simplify right side
147,749.13x = 8,187,029,543.37 - Step 5: Solve for x
x = 8,187,029,543.37/147,749.13 - Step 6: Final answer
x = 55,411.69
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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.