Finding the Fourth Proportional to 444,905.46, 613,980.76 and 272,918.26
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Solution
The fourth proportional to 444,905.46, 613,980.76 and 272,918.26 is: 376,634.09
Step by Step Solution
- Step 1: Write the proportion equation
444,905.46 : 613,980.76 = 272,918.26 : x - Step 2: Convert to fraction form
444,905.46/613,980.76 = 272,918.26/x - Step 3: Cross multiply
444,905.46x = 613,980.76 × 272,918.26 - Step 4: Simplify right side
444,905.46x = 167,566,561,289.58 - Step 5: Solve for x
x = 167,566,561,289.58/444,905.46 - Step 6: Final answer
x = 376,634.09
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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.