Finding the Fourth Proportional to 245,719.24, 339,197.17 and 165,193.47
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Solution
The fourth proportional to 245,719.24, 339,197.17 and 165,193.47 is: 228,037.32
Step by Step Solution
- Step 1: Write the proportion equation
245,719.24 : 339,197.17 = 165,193.47 : x - Step 2: Convert to fraction form
245,719.24/339,197.17 = 165,193.47/x - Step 3: Cross multiply
245,719.24x = 339,197.17 × 165,193.47 - Step 4: Simplify right side
245,719.24x = 56,033,157,526.48 - Step 5: Solve for x
x = 56,033,157,526.48/245,719.24 - Step 6: Final answer
x = 228,037.32
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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.