Finding the Fourth Proportional to 211,708.47, 292,109.45 and 125,622.99
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Solution
The fourth proportional to 211,708.47, 292,109.45 and 125,622.99 is: 173,331.10
Step by Step Solution
- Step 1: Write the proportion equation
211,708.47 : 292,109.45 = 125,622.99 : x - Step 2: Convert to fraction form
211,708.47/292,109.45 = 125,622.99/x - Step 3: Cross multiply
211,708.47x = 292,109.45 × 125,622.99 - Step 4: Simplify right side
211,708.47x = 36,695,662,516.26 - Step 5: Solve for x
x = 36,695,662,516.26/211,708.47 - Step 6: Final answer
x = 173,331.10
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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.