Finding the Fourth Proportional to 313,242.24, 432,199.41 and 190,733.18
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Solution
The fourth proportional to 313,242.24, 432,199.41 and 190,733.18 is: 263,166.19
Step by Step Solution
- Step 1: Write the proportion equation
313,242.24 : 432,199.41 = 190,733.18 : x - Step 2: Convert to fraction form
313,242.24/432,199.41 = 190,733.18/x - Step 3: Cross multiply
313,242.24x = 432,199.41 × 190,733.18 - Step 4: Simplify right side
313,242.24x = 82,434,767,863.42 - Step 5: Solve for x
x = 82,434,767,863.42/313,242.24 - Step 6: Final answer
x = 263,166.19
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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.