Finding the Fourth Proportional to 124,628.74, 186,903.12 and 53,532.11
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Solution
The fourth proportional to 124,628.74, 186,903.12 and 53,532.11 is: 80,280.99
Step by Step Solution
- Step 1: Write the proportion equation
124,628.74 : 186,903.12 = 53,532.11 : x - Step 2: Convert to fraction form
124,628.74/186,903.12 = 53,532.11/x - Step 3: Cross multiply
124,628.74x = 186,903.12 × 53,532.11 - Step 4: Simplify right side
124,628.74x = 10,005,318,379.18 - Step 5: Solve for x
x = 10,005,318,379.18/124,628.74 - Step 6: Final answer
x = 80,280.99
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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.