Finding the Fourth Proportional to 221,171.04, 305,206.98 and 124,372.14
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Solution
The fourth proportional to 221,171.04, 305,206.98 and 124,372.14 is: 171,628.46
Step by Step Solution
- Step 1: Write the proportion equation
221,171.04 : 305,206.98 = 124,372.14 : x - Step 2: Convert to fraction form
221,171.04/305,206.98 = 124,372.14/x - Step 3: Cross multiply
221,171.04x = 305,206.98 × 124,372.14 - Step 4: Simplify right side
221,171.04x = 37,959,245,245.54 - Step 5: Solve for x
x = 37,959,245,245.54/221,171.04 - Step 6: Final answer
x = 171,628.46
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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.