Finding the Fourth Proportional to 221,020.99, 331,533.80 and 176,928.03
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Solution
The fourth proportional to 221,020.99, 331,533.80 and 176,928.03 is: 265,393.91
Step by Step Solution
- Step 1: Write the proportion equation
221,020.99 : 331,533.80 = 176,928.03 : x - Step 2: Convert to fraction form
221,020.99/331,533.80 = 176,928.03/x - Step 3: Cross multiply
221,020.99x = 331,533.80 × 176,928.03 - Step 4: Simplify right side
221,020.99x = 58,657,624,160.73 - Step 5: Solve for x
x = 58,657,624,160.73/221,020.99 - Step 6: Final answer
x = 265,393.91
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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.