Finding the Fourth Proportional to 277,306.74, 415,927.98 and 77,643.09
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Solution
The fourth proportional to 277,306.74, 415,927.98 and 77,643.09 is: 116,455.64
Step by Step Solution
- Step 1: Write the proportion equation
277,306.74 : 415,927.98 = 77,643.09 : x - Step 2: Convert to fraction form
277,306.74/415,927.98 = 77,643.09/x - Step 3: Cross multiply
277,306.74x = 415,927.98 × 77,643.09 - Step 4: Simplify right side
277,306.74x = 32,293,933,584.66 - Step 5: Solve for x
x = 32,293,933,584.66/277,306.74 - Step 6: Final answer
x = 116,455.64
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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.