Finding the Fourth Proportional to 212,890.41, 293,782.50 and 117,397.08
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Solution
The fourth proportional to 212,890.41, 293,782.50 and 117,397.08 is: 162,004.52
Step by Step Solution
- Step 1: Write the proportion equation
212,890.41 : 293,782.50 = 117,397.08 : x - Step 2: Convert to fraction form
212,890.41/293,782.50 = 117,397.08/x - Step 3: Cross multiply
212,890.41x = 293,782.50 × 117,397.08 - Step 4: Simplify right side
212,890.41x = 34,489,207,655.10 - Step 5: Solve for x
x = 34,489,207,655.10/212,890.41 - Step 6: Final answer
x = 162,004.52
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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.