Finding the Fourth Proportional to 313,754.19, 432,984.12 and 170,514.23
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Solution
The fourth proportional to 313,754.19, 432,984.12 and 170,514.23 is: 235,311.45
Step by Step Solution
- Step 1: Write the proportion equation
313,754.19 : 432,984.12 = 170,514.23 : x - Step 2: Convert to fraction form
313,754.19/432,984.12 = 170,514.23/x - Step 3: Cross multiply
313,754.19x = 432,984.12 × 170,514.23 - Step 4: Simplify right side
313,754.19x = 73,829,951,019.68 - Step 5: Solve for x
x = 73,829,951,019.68/313,754.19 - Step 6: Final answer
x = 235,311.45
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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.