Finding the Fourth Proportional to 316,541.74, 436,833.12 and 195,680.02
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Solution
The fourth proportional to 316,541.74, 436,833.12 and 195,680.02 is: 270,041.84
Step by Step Solution
- Step 1: Write the proportion equation
316,541.74 : 436,833.12 = 195,680.02 : x - Step 2: Convert to fraction form
316,541.74/436,833.12 = 195,680.02/x - Step 3: Cross multiply
316,541.74x = 436,833.12 × 195,680.02 - Step 4: Simplify right side
316,541.74x = 85,479,513,658.26 - Step 5: Solve for x
x = 85,479,513,658.26/316,541.74 - Step 6: Final answer
x = 270,041.84
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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.