Finding the Fourth Proportional to 725,253.19, 1,087,878.60 and 192,774.23
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Solution
The fourth proportional to 725,253.19, 1,087,878.60 and 192,774.23 is: 289,161.03
Step by Step Solution
- Step 1: Write the proportion equation
725,253.19 : 1,087,878.60 = 192,774.23 : x - Step 2: Convert to fraction form
725,253.19/1,087,878.60 = 192,774.23/x - Step 3: Cross multiply
725,253.19x = 1,087,878.60 × 192,774.23 - Step 4: Simplify right side
725,253.19x = 209,714,958,088.63 - Step 5: Solve for x
x = 209,714,958,088.63/725,253.19 - Step 6: Final answer
x = 289,161.03
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.