Finding the Fourth Proportional to 169,408.72, 233,785.20 and 93,962.08
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Solution
The fourth proportional to 169,408.72, 233,785.20 and 93,962.08 is: 129,668.32
Step by Step Solution
- Step 1: Write the proportion equation
169,408.72 : 233,785.20 = 93,962.08 : x - Step 2: Convert to fraction form
169,408.72/233,785.20 = 93,962.08/x - Step 3: Cross multiply
169,408.72x = 233,785.20 × 93,962.08 - Step 4: Simplify right side
169,408.72x = 21,966,943,665.22 - Step 5: Solve for x
x = 21,966,943,665.22/169,408.72 - Step 6: Final answer
x = 129,668.32
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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.