Finding the Fourth Proportional to 263,963.24, 364,264.80 and 149,239.98
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Solution
The fourth proportional to 263,963.24, 364,264.80 and 149,239.98 is: 205,948.64
Step by Step Solution
- Step 1: Write the proportion equation
263,963.24 : 364,264.80 = 149,239.98 : x - Step 2: Convert to fraction form
263,963.24/364,264.80 = 149,239.98/x - Step 3: Cross multiply
263,963.24x = 364,264.80 × 149,239.98 - Step 4: Simplify right side
263,963.24x = 54,362,871,466.70 - Step 5: Solve for x
x = 54,362,871,466.70/263,963.24 - Step 6: Final answer
x = 205,948.64
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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.