Finding the Fourth Proportional to 380,473.86, 525,059.37 and 219,325.98
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Solution
The fourth proportional to 380,473.86, 525,059.37 and 219,325.98 is: 302,672.99
Step by Step Solution
- Step 1: Write the proportion equation
380,473.86 : 525,059.37 = 219,325.98 : x - Step 2: Convert to fraction form
380,473.86/525,059.37 = 219,325.98/x - Step 3: Cross multiply
380,473.86x = 525,059.37 × 219,325.98 - Step 4: Simplify right side
380,473.86x = 115,159,160,883.43 - Step 5: Solve for x
x = 115,159,160,883.43/380,473.86 - Step 6: Final answer
x = 302,672.99
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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.