Finding the Fourth Proportional to 272,580.25, 408,917.08 and 92,646.65
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Solution
The fourth proportional to 272,580.25, 408,917.08 and 92,646.65 is: 138,985.84
Step by Step Solution
- Step 1: Write the proportion equation
272,580.25 : 408,917.08 = 92,646.65 : x - Step 2: Convert to fraction form
272,580.25/408,917.08 = 92,646.65/x - Step 3: Cross multiply
272,580.25x = 408,917.08 × 92,646.65 - Step 4: Simplify right side
272,580.25x = 37,884,795,661.00 - Step 5: Solve for x
x = 37,884,795,661.00/272,580.25 - Step 6: Final answer
x = 138,985.84
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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.