Finding the Fourth Proportional to 603,562.81, 905,340.69 and 154,283.08
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Solution
The fourth proportional to 603,562.81, 905,340.69 and 154,283.08 is: 231,423.72
Step by Step Solution
- Step 1: Write the proportion equation
603,562.81 : 905,340.69 = 154,283.08 : x - Step 2: Convert to fraction form
603,562.81/905,340.69 = 154,283.08/x - Step 3: Cross multiply
603,562.81x = 905,340.69 × 154,283.08 - Step 4: Simplify right side
603,562.81x = 139,678,750,102.53 - Step 5: Solve for x
x = 139,678,750,102.53/603,562.81 - Step 6: Final answer
x = 231,423.72
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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.