Finding the Fourth Proportional to 202,831.40, 304,218.30 and 69,717.80
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Solution
The fourth proportional to 202,831.40, 304,218.30 and 69,717.80 is: 104,566.80
Step by Step Solution
- Step 1: Write the proportion equation
202,831.40 : 304,218.30 = 69,717.80 : x - Step 2: Convert to fraction form
202,831.40/304,218.30 = 69,717.80/x - Step 3: Cross multiply
202,831.40x = 304,218.30 × 69,717.80 - Step 4: Simplify right side
202,831.40x = 21,209,430,595.74 - Step 5: Solve for x
x = 21,209,430,595.74/202,831.40 - Step 6: Final answer
x = 104,566.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.