Finding the Fourth Proportional to 162,316.10, 243,474.08 and 43,987.44
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Solution
The fourth proportional to 162,316.10, 243,474.08 and 43,987.44 is: 65,981.14
Step by Step Solution
- Step 1: Write the proportion equation
162,316.10 : 243,474.08 = 43,987.44 : x - Step 2: Convert to fraction form
162,316.10/243,474.08 = 43,987.44/x - Step 3: Cross multiply
162,316.10x = 243,474.08 × 43,987.44 - Step 4: Simplify right side
162,316.10x = 10,709,801,485.56 - Step 5: Solve for x
x = 10,709,801,485.56/162,316.10 - Step 6: Final answer
x = 65,981.14
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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.