Finding the Fourth Proportional to 524,340.20, 786,356.70 and 187,341.80
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Solution
The fourth proportional to 524,340.20, 786,356.70 and 187,341.80 is: 280,957.82
Step by Step Solution
- Step 1: Write the proportion equation
524,340.20 : 786,356.70 = 187,341.80 : x - Step 2: Convert to fraction form
524,340.20/786,356.70 = 187,341.80/x - Step 3: Cross multiply
524,340.20x = 786,356.70 × 187,341.80 - Step 4: Simplify right side
524,340.20x = 147,317,479,620.06 - Step 5: Solve for x
x = 147,317,479,620.06/524,340.20 - Step 6: Final answer
x = 280,957.82
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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.