Finding the Fourth Proportional to 353,214.36, 487,420.99 and 200,262.84
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Solution
The fourth proportional to 353,214.36, 487,420.99 and 200,262.84 is: 276,354.31
Step by Step Solution
- Step 1: Write the proportion equation
353,214.36 : 487,420.99 = 200,262.84 : x - Step 2: Convert to fraction form
353,214.36/487,420.99 = 200,262.84/x - Step 3: Cross multiply
353,214.36x = 487,420.99 × 200,262.84 - Step 4: Simplify right side
353,214.36x = 97,612,311,733.01 - Step 5: Solve for x
x = 97,612,311,733.01/353,214.36 - Step 6: Final answer
x = 276,354.31
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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.