Finding the Fourth Proportional to 250,696.18, 345,965.43 and 153,851.55
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Solution
The fourth proportional to 250,696.18, 345,965.43 and 153,851.55 is: 212,318.02
Step by Step Solution
- Step 1: Write the proportion equation
250,696.18 : 345,965.43 = 153,851.55 : x - Step 2: Convert to fraction form
250,696.18/345,965.43 = 153,851.55/x - Step 3: Cross multiply
250,696.18x = 345,965.43 × 153,851.55 - Step 4: Simplify right side
250,696.18x = 53,227,316,931.49 - Step 5: Solve for x
x = 53,227,316,931.49/250,696.18 - Step 6: Final answer
x = 212,318.02
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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.