Finding the Fourth Proportional to 469,771.36, 648,248.84 and 276,187.00
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Solution
The fourth proportional to 469,771.36, 648,248.84 and 276,187.00 is: 381,117.11
Step by Step Solution
- Step 1: Write the proportion equation
469,771.36 : 648,248.84 = 276,187.00 : x - Step 2: Convert to fraction form
469,771.36/648,248.84 = 276,187.00/x - Step 3: Cross multiply
469,771.36x = 648,248.84 × 276,187.00 - Step 4: Simplify right side
469,771.36x = 179,037,904,940.07 - Step 5: Solve for x
x = 179,037,904,940.07/469,771.36 - Step 6: Final answer
x = 381,117.11
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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.