Finding the Fourth Proportional to 316,744.29, 437,107.23 and 173,506.68
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Solution
The fourth proportional to 316,744.29, 437,107.23 and 173,506.68 is: 239,439.28
Step by Step Solution
- Step 1: Write the proportion equation
316,744.29 : 437,107.23 = 173,506.68 : x - Step 2: Convert to fraction form
316,744.29/437,107.23 = 173,506.68/x - Step 3: Cross multiply
316,744.29x = 437,107.23 × 173,506.68 - Step 4: Simplify right side
316,744.29x = 75,841,024,281.30 - Step 5: Solve for x
x = 75,841,024,281.30/316,744.29 - Step 6: Final answer
x = 239,439.28
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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.