Finding the Fourth Proportional to 211,738.77, 292,071.14 and 125,641.03
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Solution
The fourth proportional to 211,738.77, 292,071.14 and 125,641.03 is: 173,308.45
Step by Step Solution
- Step 1: Write the proportion equation
211,738.77 : 292,071.14 = 125,641.03 : x - Step 2: Convert to fraction form
211,738.77/292,071.14 = 125,641.03/x - Step 3: Cross multiply
211,738.77x = 292,071.14 × 125,641.03 - Step 4: Simplify right side
211,738.77x = 36,696,118,862.87 - Step 5: Solve for x
x = 36,696,118,862.87/211,738.77 - Step 6: Final answer
x = 173,308.45
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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.