Finding the Fourth Proportional to 348,516.74, 522,493.70 and 135,174.53
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Solution
The fourth proportional to 348,516.74, 522,493.70 and 135,174.53 is: 202,652.65
Step by Step Solution
- Step 1: Write the proportion equation
348,516.74 : 522,493.70 = 135,174.53 : x - Step 2: Convert to fraction form
348,516.74/522,493.70 = 135,174.53/x - Step 3: Cross multiply
348,516.74x = 522,493.70 × 135,174.53 - Step 4: Simplify right side
348,516.74x = 70,627,840,955.82 - Step 5: Solve for x
x = 70,627,840,955.82/348,516.74 - Step 6: Final answer
x = 202,652.65
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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.