Finding the Fourth Proportional to 162,146.20, 243,220.12 and 73,295.68
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Solution
The fourth proportional to 162,146.20, 243,220.12 and 73,295.68 is: 109,943.89
Step by Step Solution
- Step 1: Write the proportion equation
162,146.20 : 243,220.12 = 73,295.68 : x - Step 2: Convert to fraction form
162,146.20/243,220.12 = 73,295.68/x - Step 3: Cross multiply
162,146.20x = 243,220.12 × 73,295.68 - Step 4: Simplify right side
162,146.20x = 17,826,984,085.08 - Step 5: Solve for x
x = 17,826,984,085.08/162,146.20 - Step 6: Final answer
x = 109,943.89
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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.