Finding the Fourth Proportional to 162,184.56, 223,968.69 and 153,349.08
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Solution
The fourth proportional to 162,184.56, 223,968.69 and 153,349.08 is: 211,767.34
Step by Step Solution
- Step 1: Write the proportion equation
162,184.56 : 223,968.69 = 153,349.08 : x - Step 2: Convert to fraction form
162,184.56/223,968.69 = 153,349.08/x - Step 3: Cross multiply
162,184.56x = 223,968.69 × 153,349.08 - Step 4: Simplify right side
162,184.56x = 34,345,392,560.31 - Step 5: Solve for x
x = 34,345,392,560.31/162,184.56 - Step 6: Final answer
x = 211,767.34
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.