Finding the Fourth Proportional to 498,048.84, 687,287.16 and 294,165.90
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Solution
The fourth proportional to 498,048.84, 687,287.16 and 294,165.90 is: 405,936.99
Step by Step Solution
- Step 1: Write the proportion equation
498,048.84 : 687,287.16 = 294,165.90 : x - Step 2: Convert to fraction form
498,048.84/687,287.16 = 294,165.90/x - Step 3: Cross multiply
498,048.84x = 687,287.16 × 294,165.90 - Step 4: Simplify right side
498,048.84x = 202,176,445,979.84 - Step 5: Solve for x
x = 202,176,445,979.84/498,048.84 - Step 6: Final answer
x = 405,936.99
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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.