Finding the Fourth Proportional to 319,224.44, 440,516.06 and 174,026.76
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Solution
The fourth proportional to 319,224.44, 440,516.06 and 174,026.76 is: 240,149.48
Step by Step Solution
- Step 1: Write the proportion equation
319,224.44 : 440,516.06 = 174,026.76 : x - Step 2: Convert to fraction form
319,224.44/440,516.06 = 174,026.76/x - Step 3: Cross multiply
319,224.44x = 440,516.06 × 174,026.76 - Step 4: Simplify right side
319,224.44x = 76,661,581,779.63 - Step 5: Solve for x
x = 76,661,581,779.63/319,224.44 - Step 6: Final answer
x = 240,149.48
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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.