Finding the Fourth Proportional to 235,556.24, 325,068.56 and 128,126.93
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Solution
The fourth proportional to 235,556.24, 325,068.56 and 128,126.93 is: 176,815.68
Step by Step Solution
- Step 1: Write the proportion equation
235,556.24 : 325,068.56 = 128,126.93 : x - Step 2: Convert to fraction form
235,556.24/325,068.56 = 128,126.93/x - Step 3: Cross multiply
235,556.24x = 325,068.56 × 128,126.93 - Step 4: Simplify right side
235,556.24x = 41,650,035,327.30 - Step 5: Solve for x
x = 41,650,035,327.30/235,556.24 - Step 6: Final answer
x = 176,815.68
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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.