Finding the Fourth Proportional to 508,344.18, 762,521.74 and 153,361.28
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Solution
The fourth proportional to 508,344.18, 762,521.74 and 153,361.28 is: 230,043.57
Step by Step Solution
- Step 1: Write the proportion equation
508,344.18 : 762,521.74 = 153,361.28 : x - Step 2: Convert to fraction form
508,344.18/762,521.74 = 153,361.28/x - Step 3: Cross multiply
508,344.18x = 762,521.74 × 153,361.28 - Step 4: Simplify right side
508,344.18x = 116,941,310,074.23 - Step 5: Solve for x
x = 116,941,310,074.23/508,344.18 - Step 6: Final answer
x = 230,043.57
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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.