Finding the Fourth Proportional to 313,188.39, 432,201.12 and 169,948.43
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Solution
The fourth proportional to 313,188.39, 432,201.12 and 169,948.43 is: 234,529.45
Step by Step Solution
- Step 1: Write the proportion equation
313,188.39 : 432,201.12 = 169,948.43 : x - Step 2: Convert to fraction form
313,188.39/432,201.12 = 169,948.43/x - Step 3: Cross multiply
313,188.39x = 432,201.12 × 169,948.43 - Step 4: Simplify right side
313,188.39x = 73,451,899,627.24 - Step 5: Solve for x
x = 73,451,899,627.24/313,188.39 - Step 6: Final answer
x = 234,529.45
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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.