Finding the Fourth Proportional to 320,937.08, 442,907.00 and 177,697.13
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Solution
The fourth proportional to 320,937.08, 442,907.00 and 177,697.13 is: 245,229.69
Step by Step Solution
- Step 1: Write the proportion equation
320,937.08 : 442,907.00 = 177,697.13 : x - Step 2: Convert to fraction form
320,937.08/442,907.00 = 177,697.13/x - Step 3: Cross multiply
320,937.08x = 442,907.00 × 177,697.13 - Step 4: Simplify right side
320,937.08x = 78,703,299,653.89 - Step 5: Solve for x
x = 78,703,299,653.89/320,937.08 - Step 6: Final answer
x = 245,229.69
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1.5x scale
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.