Finding the Fourth Proportional to 331,092.48, 456,651.36 and 223,492.08
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Solution
The fourth proportional to 331,092.48, 456,651.36 and 223,492.08 is: 308,246.09
Step by Step Solution
- Step 1: Write the proportion equation
331,092.48 : 456,651.36 = 223,492.08 : x - Step 2: Convert to fraction form
331,092.48/456,651.36 = 223,492.08/x - Step 3: Cross multiply
331,092.48x = 456,651.36 × 223,492.08 - Step 4: Simplify right side
331,092.48x = 102,057,962,281.23 - Step 5: Solve for x
x = 102,057,962,281.23/331,092.48 - Step 6: Final answer
x = 308,246.09
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1.5x scale
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.