Finding the Fourth Proportional to 296,412.68, 444,620.14 and 71,772.75
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Solution
The fourth proportional to 296,412.68, 444,620.14 and 71,772.75 is: 107,659.39
Step by Step Solution
- Step 1: Write the proportion equation
296,412.68 : 444,620.14 = 71,772.75 : x - Step 2: Convert to fraction form
296,412.68/444,620.14 = 71,772.75/x - Step 3: Cross multiply
296,412.68x = 444,620.14 × 71,772.75 - Step 4: Simplify right side
296,412.68x = 31,911,609,973.75 - Step 5: Solve for x
x = 31,911,609,973.75/296,412.68 - Step 6: Final answer
x = 107,659.39
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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.