Finding the Fourth Proportional to 236,832.47, 326,831.11 and 129,402.50
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Solution
The fourth proportional to 236,832.47, 326,831.11 and 129,402.50 is: 178,576.70
Step by Step Solution
- Step 1: Write the proportion equation
236,832.47 : 326,831.11 = 129,402.50 : x - Step 2: Convert to fraction form
236,832.47/326,831.11 = 129,402.50/x - Step 3: Cross multiply
236,832.47x = 326,831.11 × 129,402.50 - Step 4: Simplify right side
236,832.47x = 42,292,761,401.13 - Step 5: Solve for x
x = 42,292,761,401.13/236,832.47 - Step 6: Final answer
x = 178,576.70
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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.