Finding the Fourth Proportional to 524,142.36, 786,246.48 and 139,883.94
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Solution
The fourth proportional to 524,142.36, 786,246.48 and 139,883.94 is: 209,834.70
Step by Step Solution
- Step 1: Write the proportion equation
524,142.36 : 786,246.48 = 139,883.94 : x - Step 2: Convert to fraction form
524,142.36/786,246.48 = 139,883.94/x - Step 3: Cross multiply
524,142.36x = 786,246.48 × 139,883.94 - Step 4: Simplify right side
524,142.36x = 109,983,255,433.53 - Step 5: Solve for x
x = 109,983,255,433.53/524,142.36 - Step 6: Final answer
x = 209,834.70
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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.