Finding the Fourth Proportional to 146,415.44, 202,053.48 and 79,347.44
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Solution
The fourth proportional to 146,415.44, 202,053.48 and 79,347.44 is: 109,499.56
Step by Step Solution
- Step 1: Write the proportion equation
146,415.44 : 202,053.48 = 79,347.44 : x - Step 2: Convert to fraction form
146,415.44/202,053.48 = 79,347.44/x - Step 3: Cross multiply
146,415.44x = 202,053.48 × 79,347.44 - Step 4: Simplify right side
146,415.44x = 16,032,426,381.09 - Step 5: Solve for x
x = 16,032,426,381.09/146,415.44 - Step 6: Final answer
x = 109,499.56
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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.