Finding the Fourth Proportional to 415,393.36, 572,860.08 and 277,329.28
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Solution
The fourth proportional to 415,393.36, 572,860.08 and 277,329.28 is: 382,458.87
Step by Step Solution
- Step 1: Write the proportion equation
415,393.36 : 572,860.08 = 277,329.28 : x - Step 2: Convert to fraction form
415,393.36/572,860.08 = 277,329.28/x - Step 3: Cross multiply
415,393.36x = 572,860.08 × 277,329.28 - Step 4: Simplify right side
415,393.36x = 158,870,873,527.14 - Step 5: Solve for x
x = 158,870,873,527.14/415,393.36 - Step 6: Final answer
x = 382,458.87
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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.