Finding the Fourth Proportional to 162,563.80, 243,845.70 and 134,915.80
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Solution
The fourth proportional to 162,563.80, 243,845.70 and 134,915.80 is: 202,373.70
Step by Step Solution
- Step 1: Write the proportion equation
162,563.80 : 243,845.70 = 134,915.80 : x - Step 2: Convert to fraction form
162,563.80/243,845.70 = 134,915.80/x - Step 3: Cross multiply
162,563.80x = 243,845.70 × 134,915.80 - Step 4: Simplify right side
162,563.80x = 32,898,637,692.06 - Step 5: Solve for x
x = 32,898,637,692.06/162,563.80 - Step 6: Final answer
x = 202,373.70
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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.