Finding the Fourth Proportional to 335,937.44, 502,722.64 and 209,637.12
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Solution
The fourth proportional to 335,937.44, 502,722.64 and 209,637.12 is: 313,717.12
Step by Step Solution
- Step 1: Write the proportion equation
335,937.44 : 502,722.64 = 209,637.12 : x - Step 2: Convert to fraction form
335,937.44/502,722.64 = 209,637.12/x - Step 3: Cross multiply
335,937.44x = 502,722.64 × 209,637.12 - Step 4: Simplify right side
335,937.44x = 105,389,326,408.40 - Step 5: Solve for x
x = 105,389,326,408.40/335,937.44 - Step 6: Final answer
x = 313,717.12
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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.