Finding the Fourth Proportional to 499,297.63, 689,030.73 and 272,943.13
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Solution
The fourth proportional to 499,297.63, 689,030.73 and 272,943.13 is: 376,661.52
Step by Step Solution
- Step 1: Write the proportion equation
499,297.63 : 689,030.73 = 272,943.13 : x - Step 2: Convert to fraction form
499,297.63/689,030.73 = 272,943.13/x - Step 3: Cross multiply
499,297.63x = 689,030.73 × 272,943.13 - Step 4: Simplify right side
499,297.63x = 188,066,204,112.39 - Step 5: Solve for x
x = 188,066,204,112.39/499,297.63 - Step 6: Final answer
x = 376,661.52
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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.