Finding the Fourth Proportional to 234,929.74, 324,156.14 and 142,987.44
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Solution
The fourth proportional to 234,929.74, 324,156.14 and 142,987.44 is: 197,294.12
Step by Step Solution
- Step 1: Write the proportion equation
234,929.74 : 324,156.14 = 142,987.44 : x - Step 2: Convert to fraction form
234,929.74/324,156.14 = 142,987.44/x - Step 3: Cross multiply
234,929.74x = 324,156.14 × 142,987.44 - Step 4: Simplify right side
234,929.74x = 46,350,256,618.88 - Step 5: Solve for x
x = 46,350,256,618.88/234,929.74 - Step 6: Final answer
x = 197,294.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.