Finding the Fourth Proportional to 250,208.42, 345,312.28 and 142,794.62
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Solution
The fourth proportional to 250,208.42, 345,312.28 and 142,794.62 is: 197,070.65
Step by Step Solution
- Step 1: Write the proportion equation
250,208.42 : 345,312.28 = 142,794.62 : x - Step 2: Convert to fraction form
250,208.42/345,312.28 = 142,794.62/x - Step 3: Cross multiply
250,208.42x = 345,312.28 × 142,794.62 - Step 4: Simplify right side
250,208.42x = 49,308,735,803.93 - Step 5: Solve for x
x = 49,308,735,803.93/250,208.42 - Step 6: Final answer
x = 197,070.65
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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.