Finding the Fourth Proportional to 313,815.24, 433,063.80 and 170,574.84
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Solution
The fourth proportional to 313,815.24, 433,063.80 and 170,574.84 is: 235,392.61
Step by Step Solution
- Step 1: Write the proportion equation
313,815.24 : 433,063.80 = 170,574.84 : x - Step 2: Convert to fraction form
313,815.24/433,063.80 = 170,574.84/x - Step 3: Cross multiply
313,815.24x = 433,063.80 × 170,574.84 - Step 4: Simplify right side
313,815.24x = 73,869,788,394.79 - Step 5: Solve for x
x = 73,869,788,394.79/313,815.24 - Step 6: Final answer
x = 235,392.61
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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.