Finding the Fourth Proportional to 235,625.04, 325,163.34 and 128,195.10
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Solution
The fourth proportional to 235,625.04, 325,163.34 and 128,195.10 is: 176,909.66
Step by Step Solution
- Step 1: Write the proportion equation
235,625.04 : 325,163.34 = 128,195.10 : x - Step 2: Convert to fraction form
235,625.04/325,163.34 = 128,195.10/x - Step 3: Cross multiply
235,625.04x = 325,163.34 × 128,195.10 - Step 4: Simplify right side
235,625.04x = 41,684,346,887.63 - Step 5: Solve for x
x = 41,684,346,887.63/235,625.04 - Step 6: Final answer
x = 176,909.66
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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.