Finding the Fourth Proportional to 235,460.88, 324,928.92 and 128,031.12
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Solution
The fourth proportional to 235,460.88, 324,928.92 and 128,031.12 is: 176,679.09
Step by Step Solution
- Step 1: Write the proportion equation
235,460.88 : 324,928.92 = 128,031.12 : x - Step 2: Convert to fraction form
235,460.88/324,928.92 = 128,031.12/x - Step 3: Cross multiply
235,460.88x = 324,928.92 × 128,031.12 - Step 4: Simplify right side
235,460.88x = 41,601,013,547.99 - Step 5: Solve for x
x = 41,601,013,547.99/235,460.88 - Step 6: Final answer
x = 176,679.09
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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.