Finding the Fourth Proportional to 236,453.36, 326,306.48 and 129,025.76
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Solution
The fourth proportional to 236,453.36, 326,306.48 and 129,025.76 is: 178,056.00
Step by Step Solution
- Step 1: Write the proportion equation
236,453.36 : 326,306.48 = 129,025.76 : x - Step 2: Convert to fraction form
236,453.36/326,306.48 = 129,025.76/x - Step 3: Cross multiply
236,453.36x = 326,306.48 × 129,025.76 - Step 4: Simplify right side
236,453.36x = 42,101,939,298.26 - Step 5: Solve for x
x = 42,101,939,298.26/236,453.36 - Step 6: Final answer
x = 178,056.00
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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.