Finding the Fourth Proportional to 221,020.64, 331,533.28 and 176,927.68
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Solution
The fourth proportional to 221,020.64, 331,533.28 and 176,927.68 is: 265,393.38
Step by Step Solution
- Step 1: Write the proportion equation
221,020.64 : 331,533.28 = 176,927.68 : x - Step 2: Convert to fraction form
221,020.64/331,533.28 = 176,927.68/x - Step 3: Cross multiply
221,020.64x = 331,533.28 × 176,927.68 - Step 4: Simplify right side
221,020.64x = 58,657,414,073.19 - Step 5: Solve for x
x = 58,657,414,073.19/221,020.64 - Step 6: Final answer
x = 265,393.38
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1.5x scale
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.