Finding the Fourth Proportional to 304,873.80, 457,310.70 and 83,257.80
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Solution
The fourth proportional to 304,873.80, 457,310.70 and 83,257.80 is: 124,886.70
Step by Step Solution
- Step 1: Write the proportion equation
304,873.80 : 457,310.70 = 83,257.80 : x - Step 2: Convert to fraction form
304,873.80/457,310.70 = 83,257.80/x - Step 3: Cross multiply
304,873.80x = 457,310.70 × 83,257.80 - Step 4: Simplify right side
304,873.80x = 38,074,682,798.46 - Step 5: Solve for x
x = 38,074,682,798.46/304,873.80 - Step 6: Final answer
x = 124,886.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.