Finding the Fourth Proportional to 179,283.07, 247,407.09 and 98,711.92
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Solution
The fourth proportional to 179,283.07, 247,407.09 and 98,711.92 is: 136,220.50
Step by Step Solution
- Step 1: Write the proportion equation
179,283.07 : 247,407.09 = 98,711.92 : x - Step 2: Convert to fraction form
179,283.07/247,407.09 = 98,711.92/x - Step 3: Cross multiply
179,283.07x = 247,407.09 × 98,711.92 - Step 4: Simplify right side
179,283.07x = 24,422,028,875.51 - Step 5: Solve for x
x = 24,422,028,875.51/179,283.07 - Step 6: Final answer
x = 136,220.50
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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.