Finding the Fourth Proportional to 408,523.37, 612,784.08 and 194,642.06
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Solution
The fourth proportional to 408,523.37, 612,784.08 and 194,642.06 is: 291,962.62
Step by Step Solution
- Step 1: Write the proportion equation
408,523.37 : 612,784.08 = 194,642.06 : x - Step 2: Convert to fraction form
408,523.37/612,784.08 = 194,642.06/x - Step 3: Cross multiply
408,523.37x = 612,784.08 × 194,642.06 - Step 4: Simplify right side
408,523.37x = 119,273,552,602.48 - Step 5: Solve for x
x = 119,273,552,602.48/408,523.37 - Step 6: Final answer
x = 291,962.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.