Finding the Fourth Proportional to 451,089.37, 622,502.98 and 247,153.02
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Solution
The fourth proportional to 451,089.37, 622,502.98 and 247,153.02 is: 341,070.98
Step by Step Solution
- Step 1: Write the proportion equation
451,089.37 : 622,502.98 = 247,153.02 : x - Step 2: Convert to fraction form
451,089.37/622,502.98 = 247,153.02/x - Step 3: Cross multiply
451,089.37x = 622,502.98 × 247,153.02 - Step 4: Simplify right side
451,089.37x = 153,853,491,466.00 - Step 5: Solve for x
x = 153,853,491,466.00/451,089.37 - Step 6: Final answer
x = 341,070.98
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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.