Finding the Fourth Proportional to 447,220.98, 670,600.35 and 131,637.06
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Solution
The fourth proportional to 447,220.98, 670,600.35 and 131,637.06 is: 197,387.56
Step by Step Solution
- Step 1: Write the proportion equation
447,220.98 : 670,600.35 = 131,637.06 : x - Step 2: Convert to fraction form
447,220.98/670,600.35 = 131,637.06/x - Step 3: Cross multiply
447,220.98x = 670,600.35 × 131,637.06 - Step 4: Simplify right side
447,220.98x = 88,275,858,508.97 - Step 5: Solve for x
x = 88,275,858,508.97/447,220.98 - Step 6: Final answer
x = 197,387.56
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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.