Finding the Fourth Proportional to 510,361.58, 765,653.08 and 155,366.42
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Solution
The fourth proportional to 510,361.58, 765,653.08 and 155,366.42 is: 233,083.33
Step by Step Solution
- Step 1: Write the proportion equation
510,361.58 : 765,653.08 = 155,366.42 : x - Step 2: Convert to fraction form
510,361.58/765,653.08 = 155,366.42/x - Step 3: Cross multiply
510,361.58x = 765,653.08 × 155,366.42 - Step 4: Simplify right side
510,361.58x = 118,956,778,001.57 - Step 5: Solve for x
x = 118,956,778,001.57/510,361.58 - Step 6: Final answer
x = 233,083.33
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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.