Finding the Fourth Proportional to 216,731.53, 326,721.68 and 202,281.13
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Solution
The fourth proportional to 216,731.53, 326,721.68 and 202,281.13 is: 304,937.77
Step by Step Solution
- Step 1: Write the proportion equation
216,731.53 : 326,721.68 = 202,281.13 : x - Step 2: Convert to fraction form
216,731.53/326,721.68 = 202,281.13/x - Step 3: Cross multiply
216,731.53x = 326,721.68 × 202,281.13 - Step 4: Simplify right side
216,731.53x = 66,089,628,992.29 - Step 5: Solve for x
x = 66,089,628,992.29/216,731.53 - Step 6: Final answer
x = 304,937.77
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.