Finding the Fourth Proportional to 225,551.84, 311,294.68 and 130,039.84
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Solution
The fourth proportional to 225,551.84, 311,294.68 and 130,039.84 is: 179,474.09
Step by Step Solution
- Step 1: Write the proportion equation
225,551.84 : 311,294.68 = 130,039.84 : x - Step 2: Convert to fraction form
225,551.84/311,294.68 = 130,039.84/x - Step 3: Cross multiply
225,551.84x = 311,294.68 × 130,039.84 - Step 4: Simplify right side
225,551.84x = 40,480,710,380.05 - Step 5: Solve for x
x = 40,480,710,380.05/225,551.84 - Step 6: Final answer
x = 179,474.09
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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.