Finding the Fourth Proportional to 207,055.49, 285,734.87 and 130,623.94
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Solution
The fourth proportional to 207,055.49, 285,734.87 and 130,623.94 is: 180,259.96
Step by Step Solution
- Step 1: Write the proportion equation
207,055.49 : 285,734.87 = 130,623.94 : x - Step 2: Convert to fraction form
207,055.49/285,734.87 = 130,623.94/x - Step 3: Cross multiply
207,055.49x = 285,734.87 × 130,623.94 - Step 4: Simplify right side
207,055.49x = 37,323,813,836.18 - Step 5: Solve for x
x = 37,323,813,836.18/207,055.49 - Step 6: Final answer
x = 180,259.96
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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.