Finding the Fourth Proportional to 372,660.12, 514,255.50 and 202,894.38
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Solution
The fourth proportional to 372,660.12, 514,255.50 and 202,894.38 is: 279,985.82
Step by Step Solution
- Step 1: Write the proportion equation
372,660.12 : 514,255.50 = 202,894.38 : x - Step 2: Convert to fraction form
372,660.12/514,255.50 = 202,894.38/x - Step 3: Cross multiply
372,660.12x = 514,255.50 × 202,894.38 - Step 4: Simplify right side
372,660.12x = 104,339,550,834.09 - Step 5: Solve for x
x = 104,339,550,834.09/372,660.12 - Step 6: Final answer
x = 279,985.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.