Finding the Fourth Proportional to 226,217.42, 312,218.44 and 130,779.62
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Solution
The fourth proportional to 226,217.42, 312,218.44 and 130,779.62 is: 180,498.08
Step by Step Solution
- Step 1: Write the proportion equation
226,217.42 : 312,218.44 = 130,779.62 : x - Step 2: Convert to fraction form
226,217.42/312,218.44 = 130,779.62/x - Step 3: Cross multiply
226,217.42x = 312,218.44 × 130,779.62 - Step 4: Simplify right side
226,217.42x = 40,831,808,940.19 - Step 5: Solve for x
x = 40,831,808,940.19/226,217.42 - Step 6: Final answer
x = 180,498.08
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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.