Finding the Fourth Proportional to 349,977.60, 482,668.80 and 222,604.80
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Solution
The fourth proportional to 349,977.60, 482,668.80 and 222,604.80 is: 307,003.62
Step by Step Solution
- Step 1: Write the proportion equation
349,977.60 : 482,668.80 = 222,604.80 : x - Step 2: Convert to fraction form
349,977.60/482,668.80 = 222,604.80/x - Step 3: Cross multiply
349,977.60x = 482,668.80 × 222,604.80 - Step 4: Simplify right side
349,977.60x = 107,444,391,690.24 - Step 5: Solve for x
x = 107,444,391,690.24/349,977.60 - Step 6: Final answer
x = 307,003.62
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1.5x scale
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.