Finding the Fourth Proportional to 313,750.05, 432,958.50 and 177,785.63
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Solution
The fourth proportional to 313,750.05, 432,958.50 and 177,785.63 is: 245,334.77
Step by Step Solution
- Step 1: Write the proportion equation
313,750.05 : 432,958.50 = 177,785.63 : x - Step 2: Convert to fraction form
313,750.05/432,958.50 = 177,785.63/x - Step 3: Cross multiply
313,750.05x = 432,958.50 × 177,785.63 - Step 4: Simplify right side
313,750.05x = 76,973,797,521.56 - Step 5: Solve for x
x = 76,973,797,521.56/313,750.05 - Step 6: Final answer
x = 245,334.77
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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.