Finding the Fourth Proportional to 302,558.08, 453,837.12 and 302,120.80
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Solution
The fourth proportional to 302,558.08, 453,837.12 and 302,120.80 is: 453,181.20
Step by Step Solution
- Step 1: Write the proportion equation
302,558.08 : 453,837.12 = 302,120.80 : x - Step 2: Convert to fraction form
302,558.08/453,837.12 = 302,120.80/x - Step 3: Cross multiply
302,558.08x = 453,837.12 × 302,120.80 - Step 4: Simplify right side
302,558.08x = 137,113,633,764.10 - Step 5: Solve for x
x = 137,113,633,764.10/302,558.08 - Step 6: Final answer
x = 453,181.20
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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.