Finding the Fourth Proportional to 235,649.77, 325,202.51 and 128,225.70
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Solution
The fourth proportional to 235,649.77, 325,202.51 and 128,225.70 is: 176,954.64
Step by Step Solution
- Step 1: Write the proportion equation
235,649.77 : 325,202.51 = 128,225.70 : x - Step 2: Convert to fraction form
235,649.77/325,202.51 = 128,225.70/x - Step 3: Cross multiply
235,649.77x = 325,202.51 × 128,225.70 - Step 4: Simplify right side
235,649.77x = 41,699,319,486.51 - Step 5: Solve for x
x = 41,699,319,486.51/235,649.77 - Step 6: Final answer
x = 176,954.64
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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.