Finding the Fourth Proportional to 403,201.66, 556,418.34 and 219,440.92
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Solution
The fourth proportional to 403,201.66, 556,418.34 and 219,440.92 is: 302,828.50
Step by Step Solution
- Step 1: Write the proportion equation
403,201.66 : 556,418.34 = 219,440.92 : x - Step 2: Convert to fraction form
403,201.66/556,418.34 = 219,440.92/x - Step 3: Cross multiply
403,201.66x = 556,418.34 × 219,440.92 - Step 4: Simplify right side
403,201.66x = 122,100,952,434.47 - Step 5: Solve for x
x = 122,100,952,434.47/403,201.66 - Step 6: Final answer
x = 302,828.50
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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.