Finding the Fourth Proportional to 348,345.76, 522,453.02 and 135,113.26
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Solution
The fourth proportional to 348,345.76, 522,453.02 and 135,113.26 is: 202,644.44
Step by Step Solution
- Step 1: Write the proportion equation
348,345.76 : 522,453.02 = 135,113.26 : x - Step 2: Convert to fraction form
348,345.76/522,453.02 = 135,113.26/x - Step 3: Cross multiply
348,345.76x = 522,453.02 × 135,113.26 - Step 4: Simplify right side
348,345.76x = 70,590,330,729.05 - Step 5: Solve for x
x = 70,590,330,729.05/348,345.76 - Step 6: Final answer
x = 202,644.44
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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.