Finding the Fourth Proportional to 202,701.90, 279,803.79 and 122,133.90
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Solution
The fourth proportional to 202,701.90, 279,803.79 and 122,133.90 is: 168,590.07
Step by Step Solution
- Step 1: Write the proportion equation
202,701.90 : 279,803.79 = 122,133.90 : x - Step 2: Convert to fraction form
202,701.90/279,803.79 = 122,133.90/x - Step 3: Cross multiply
202,701.90x = 279,803.79 × 122,133.90 - Step 4: Simplify right side
202,701.90x = 34,173,528,107.48 - Step 5: Solve for x
x = 34,173,528,107.48/202,701.90 - Step 6: Final answer
x = 168,590.07
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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.