Finding the Fourth Proportional to 226,262.84, 312,172.49 and 130,734.68
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Solution
The fourth proportional to 226,262.84, 312,172.49 and 130,734.68 is: 180,373.28
Step by Step Solution
- Step 1: Write the proportion equation
226,262.84 : 312,172.49 = 130,734.68 : x - Step 2: Convert to fraction form
226,262.84/312,172.49 = 130,734.68/x - Step 3: Cross multiply
226,262.84x = 312,172.49 × 130,734.68 - Step 4: Simplify right side
226,262.84x = 40,811,769,931.28 - Step 5: Solve for x
x = 40,811,769,931.28/226,262.84 - Step 6: Final answer
x = 180,373.28
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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.