Finding the Fourth Proportional to 540,018.81, 745,221.18 and 298,318.18
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Solution
The fourth proportional to 540,018.81, 745,221.18 and 298,318.18 is: 411,676.45
Step by Step Solution
- Step 1: Write the proportion equation
540,018.81 : 745,221.18 = 298,318.18 : x - Step 2: Convert to fraction form
540,018.81/745,221.18 = 298,318.18/x - Step 3: Cross multiply
540,018.81x = 745,221.18 × 298,318.18 - Step 4: Simplify right side
540,018.81x = 222,313,026,115.05 - Step 5: Solve for x
x = 222,313,026,115.05/540,018.81 - Step 6: Final answer
x = 411,676.45
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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.