Finding the Fourth Proportional to 451,768.52, 623,434.74 and 258,174.02
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Solution
The fourth proportional to 451,768.52, 623,434.74 and 258,174.02 is: 356,276.81
Step by Step Solution
- Step 1: Write the proportion equation
451,768.52 : 623,434.74 = 258,174.02 : x - Step 2: Convert to fraction form
451,768.52/623,434.74 = 258,174.02/x - Step 3: Cross multiply
451,768.52x = 623,434.74 × 258,174.02 - Step 4: Simplify right side
451,768.52x = 160,954,649,916.28 - Step 5: Solve for x
x = 160,954,649,916.28/451,768.52 - Step 6: Final answer
x = 356,276.81
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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.