Finding the Fourth Proportional to 216,497.80, 324,746.70 and 177,617.80
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Solution
The fourth proportional to 216,497.80, 324,746.70 and 177,617.80 is: 266,426.70
Step by Step Solution
- Step 1: Write the proportion equation
216,497.80 : 324,746.70 = 177,617.80 : x - Step 2: Convert to fraction form
216,497.80/324,746.70 = 177,617.80/x - Step 3: Cross multiply
216,497.80x = 324,746.70 × 177,617.80 - Step 4: Simplify right side
216,497.80x = 57,680,794,411.26 - Step 5: Solve for x
x = 57,680,794,411.26/216,497.80 - Step 6: Final answer
x = 266,426.70
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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.