Finding the Fourth Proportional to 401,552.53, 602,384.36 and 135,389.17
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Solution
The fourth proportional to 401,552.53, 602,384.36 and 135,389.17 is: 203,102.49
Step by Step Solution
- Step 1: Write the proportion equation
401,552.53 : 602,384.36 = 135,389.17 : x - Step 2: Convert to fraction form
401,552.53/602,384.36 = 135,389.17/x - Step 3: Cross multiply
401,552.53x = 602,384.36 × 135,389.17 - Step 4: Simplify right side
401,552.53x = 81,556,318,521.38 - Step 5: Solve for x
x = 81,556,318,521.38/401,552.53 - Step 6: Final answer
x = 203,102.49
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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.