Finding the Fourth Proportional to 207,455.22, 286,289.37 and 118,031.22
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Solution
The fourth proportional to 207,455.22, 286,289.37 and 118,031.22 is: 162,883.75
Step by Step Solution
- Step 1: Write the proportion equation
207,455.22 : 286,289.37 = 118,031.22 : x - Step 2: Convert to fraction form
207,455.22/286,289.37 = 118,031.22/x - Step 3: Cross multiply
207,455.22x = 286,289.37 × 118,031.22 - Step 4: Simplify right side
207,455.22x = 33,791,083,614.13 - Step 5: Solve for x
x = 33,791,083,614.13/207,455.22 - Step 6: Final answer
x = 162,883.75
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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.