Finding the Fourth Proportional to 345,191.47, 476,267.97 and 222,631.99
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Solution
The fourth proportional to 345,191.47, 476,267.97 and 222,631.99 is: 307,170.06
Step by Step Solution
- Step 1: Write the proportion equation
345,191.47 : 476,267.97 = 222,631.99 : x - Step 2: Convert to fraction form
345,191.47/476,267.97 = 222,631.99/x - Step 3: Cross multiply
345,191.47x = 476,267.97 × 222,631.99 - Step 4: Simplify right side
345,191.47x = 106,032,484,743.69 - Step 5: Solve for x
x = 106,032,484,743.69/345,191.47 - Step 6: Final answer
x = 307,170.06
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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.