Finding the Fourth Proportional to 243,859.84, 336,461.70 and 167,402.32
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Solution
The fourth proportional to 243,859.84, 336,461.70 and 167,402.32 is: 230,970.66
Step by Step Solution
- Step 1: Write the proportion equation
243,859.84 : 336,461.70 = 167,402.32 : x - Step 2: Convert to fraction form
243,859.84/336,461.70 = 167,402.32/x - Step 3: Cross multiply
243,859.84x = 336,461.70 × 167,402.32 - Step 4: Simplify right side
243,859.84x = 56,324,469,171.14 - Step 5: Solve for x
x = 56,324,469,171.14/243,859.84 - Step 6: Final answer
x = 230,970.66
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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.