Finding the Fourth Proportional to 162,543.80, 243,815.70 and 134,895.80
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Solution
The fourth proportional to 162,543.80, 243,815.70 and 134,895.80 is: 202,343.70
Step by Step Solution
- Step 1: Write the proportion equation
162,543.80 : 243,815.70 = 134,895.80 : x - Step 2: Convert to fraction form
162,543.80/243,815.70 = 134,895.80/x - Step 3: Cross multiply
162,543.80x = 243,815.70 × 134,895.80 - Step 4: Simplify right side
162,543.80x = 32,889,713,904.06 - Step 5: Solve for x
x = 32,889,713,904.06/162,543.80 - Step 6: Final answer
x = 202,343.70
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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.