Finding the Fourth Proportional to 335,637.84, 503,239.81 and 143,637.62
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Solution
The fourth proportional to 335,637.84, 503,239.81 and 143,637.62 is: 215,363.59
Step by Step Solution
- Step 1: Write the proportion equation
335,637.84 : 503,239.81 = 143,637.62 : x - Step 2: Convert to fraction form
335,637.84/503,239.81 = 143,637.62/x - Step 3: Cross multiply
335,637.84x = 503,239.81 × 143,637.62 - Step 4: Simplify right side
335,637.84x = 72,284,168,597.65 - Step 5: Solve for x
x = 72,284,168,597.65/335,637.84 - Step 6: Final answer
x = 215,363.59
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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.