Finding the Fourth Proportional to 447,178.05, 670,536.26 and 131,594.01
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Solution
The fourth proportional to 447,178.05, 670,536.26 and 131,594.01 is: 197,323.09
Step by Step Solution
- Step 1: Write the proportion equation
447,178.05 : 670,536.26 = 131,594.01 : x - Step 2: Convert to fraction form
447,178.05/670,536.26 = 131,594.01/x - Step 3: Cross multiply
447,178.05x = 670,536.26 × 131,594.01 - Step 4: Simplify right side
447,178.05x = 88,238,554,645.83 - Step 5: Solve for x
x = 88,238,554,645.83/447,178.05 - Step 6: Final answer
x = 197,323.09
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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.