Finding the Fourth Proportional to 313,272.77, 432,272.09 and 185,999.09
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Solution
The fourth proportional to 313,272.77, 432,272.09 and 185,999.09 is: 256,652.42
Step by Step Solution
- Step 1: Write the proportion equation
313,272.77 : 432,272.09 = 185,999.09 : x - Step 2: Convert to fraction form
313,272.77/432,272.09 = 185,999.09/x - Step 3: Cross multiply
313,272.77x = 432,272.09 × 185,999.09 - Step 4: Simplify right side
313,272.77x = 80,402,213,676.04 - Step 5: Solve for x
x = 80,402,213,676.04/313,272.77 - Step 6: Final answer
x = 256,652.42
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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.