Finding the Fourth Proportional to 372,620.10, 514,215.60 and 202,854.18
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Solution
The fourth proportional to 372,620.10, 514,215.60 and 202,854.18 is: 279,938.69
Step by Step Solution
- Step 1: Write the proportion equation
372,620.10 : 514,215.60 = 202,854.18 : x - Step 2: Convert to fraction form
372,620.10/514,215.60 = 202,854.18/x - Step 3: Cross multiply
372,620.10x = 514,215.60 × 202,854.18 - Step 4: Simplify right side
372,620.10x = 104,310,783,881.21 - Step 5: Solve for x
x = 104,310,783,881.21/372,620.10 - Step 6: Final answer
x = 279,938.69
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1.5x scale
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.