Finding the Fourth Proportional to 310,657.75, 465,239.24 and 177,133.21
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Solution
The fourth proportional to 310,657.75, 465,239.24 and 177,133.21 is: 265,273.66
Step by Step Solution
- Step 1: Write the proportion equation
310,657.75 : 465,239.24 = 177,133.21 : x - Step 2: Convert to fraction form
310,657.75/465,239.24 = 177,133.21/x - Step 3: Cross multiply
310,657.75x = 465,239.24 × 177,133.21 - Step 4: Simplify right side
310,657.75x = 82,409,316,787.30 - Step 5: Solve for x
x = 82,409,316,787.30/310,657.75 - Step 6: Final answer
x = 265,273.66
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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.