Finding the Fourth Proportional to 212,888.44, 293,779.74 and 117,395.12
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Solution
The fourth proportional to 212,888.44, 293,779.74 and 117,395.12 is: 162,001.79
Step by Step Solution
- Step 1: Write the proportion equation
212,888.44 : 293,779.74 = 117,395.12 : x - Step 2: Convert to fraction form
212,888.44/293,779.74 = 117,395.12/x - Step 3: Cross multiply
212,888.44x = 293,779.74 × 117,395.12 - Step 4: Simplify right side
212,888.44x = 34,488,307,830.87 - Step 5: Solve for x
x = 34,488,307,830.87/212,888.44 - Step 6: Final answer
x = 162,001.79
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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.