Finding the Fourth Proportional to 307,170.29, 423,897.10 and 171,212.99
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Solution
The fourth proportional to 307,170.29, 423,897.10 and 171,212.99 is: 236,275.09
Step by Step Solution
- Step 1: Write the proportion equation
307,170.29 : 423,897.10 = 171,212.99 : x - Step 2: Convert to fraction form
307,170.29/423,897.10 = 171,212.99/x - Step 3: Cross multiply
307,170.29x = 423,897.10 × 171,212.99 - Step 4: Simplify right side
307,170.29x = 72,576,687,395.81 - Step 5: Solve for x
x = 72,576,687,395.81/307,170.29 - Step 6: Final answer
x = 236,275.09
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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.