Finding the Fourth Proportional to 239,335.76, 330,279.07 and 130,441.08
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Solution
The fourth proportional to 239,335.76, 330,279.07 and 130,441.08 is: 180,006.36
Step by Step Solution
- Step 1: Write the proportion equation
239,335.76 : 330,279.07 = 130,441.08 : x - Step 2: Convert to fraction form
239,335.76/330,279.07 = 130,441.08/x - Step 3: Cross multiply
239,335.76x = 330,279.07 × 130,441.08 - Step 4: Simplify right side
239,335.76x = 43,081,957,939.99 - Step 5: Solve for x
x = 43,081,957,939.99/239,335.76 - Step 6: Final answer
x = 180,006.36
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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.