Finding the Fourth Proportional to 313,251.30, 469,862.37 and 102,891.06
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Solution
The fourth proportional to 313,251.30, 469,862.37 and 102,891.06 is: 154,331.80
Step by Step Solution
- Step 1: Write the proportion equation
313,251.30 : 469,862.37 = 102,891.06 : x - Step 2: Convert to fraction form
313,251.30/469,862.37 = 102,891.06/x - Step 3: Cross multiply
313,251.30x = 469,862.37 × 102,891.06 - Step 4: Simplify right side
313,251.30x = 48,344,637,303.41 - Step 5: Solve for x
x = 48,344,637,303.41/313,251.30 - Step 6: Final answer
x = 154,331.80
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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.