Finding the Fourth Proportional to 445,653.18, 614,962.80 and 261,872.28
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Solution
The fourth proportional to 445,653.18, 614,962.80 and 261,872.28 is: 361,361.07
Step by Step Solution
- Step 1: Write the proportion equation
445,653.18 : 614,962.80 = 261,872.28 : x - Step 2: Convert to fraction form
445,653.18/614,962.80 = 261,872.28/x - Step 3: Cross multiply
445,653.18x = 614,962.80 × 261,872.28 - Step 4: Simplify right side
445,653.18x = 161,041,710,551.18 - Step 5: Solve for x
x = 161,041,710,551.18/445,653.18 - Step 6: Final answer
x = 361,361.07
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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.