Finding the Fourth Proportional to 313,695.18, 470,542.16 and 89,057.68
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Solution
The fourth proportional to 313,695.18, 470,542.16 and 89,057.68 is: 133,586.34
Step by Step Solution
- Step 1: Write the proportion equation
313,695.18 : 470,542.16 = 89,057.68 : x - Step 2: Convert to fraction form
313,695.18/470,542.16 = 89,057.68/x - Step 3: Cross multiply
313,695.18x = 470,542.16 × 89,057.68 - Step 4: Simplify right side
313,695.18x = 41,905,392,158.08 - Step 5: Solve for x
x = 41,905,392,158.08/313,695.18 - Step 6: Final answer
x = 133,586.34
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.