Finding the Fourth Proportional to 210,831.29, 316,350.84 and 98,519.26
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Solution
The fourth proportional to 210,831.29, 316,350.84 and 98,519.26 is: 147,827.44
Step by Step Solution
- Step 1: Write the proportion equation
210,831.29 : 316,350.84 = 98,519.26 : x - Step 2: Convert to fraction form
210,831.29/316,350.84 = 98,519.26/x - Step 3: Cross multiply
210,831.29x = 316,350.84 × 98,519.26 - Step 4: Simplify right side
210,831.29x = 31,166,649,075.42 - Step 5: Solve for x
x = 31,166,649,075.42/210,831.29 - Step 6: Final answer
x = 147,827.44
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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.