Finding the Fourth Proportional to 457,214.28, 630,564.74 and 275,887.68
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Solution
The fourth proportional to 457,214.28, 630,564.74 and 275,887.68 is: 380,489.09
Step by Step Solution
- Step 1: Write the proportion equation
457,214.28 : 630,564.74 = 275,887.68 : x - Step 2: Convert to fraction form
457,214.28/630,564.74 = 275,887.68/x - Step 3: Cross multiply
457,214.28x = 630,564.74 × 275,887.68 - Step 4: Simplify right side
457,214.28x = 173,965,043,208.40 - Step 5: Solve for x
x = 173,965,043,208.40/457,214.28 - Step 6: Final answer
x = 380,489.09
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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.