Finding the Fourth Proportional to 461,232.56, 636,476.64 and 257,304.80
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Solution
The fourth proportional to 461,232.56, 636,476.64 and 257,304.80 is: 355,067.07
Step by Step Solution
- Step 1: Write the proportion equation
461,232.56 : 636,476.64 = 257,304.80 : x - Step 2: Convert to fraction form
461,232.56/636,476.64 = 257,304.80/x - Step 3: Cross multiply
461,232.56x = 636,476.64 × 257,304.80 - Step 4: Simplify right side
461,232.56x = 163,768,494,559.87 - Step 5: Solve for x
x = 163,768,494,559.87/461,232.56 - Step 6: Final answer
x = 355,067.07
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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.