Finding the Fourth Proportional to 462,441.05, 637,587.93 and 353,678.81
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Solution
The fourth proportional to 462,441.05, 637,587.93 and 353,678.81 is: 487,632.62
Step by Step Solution
- Step 1: Write the proportion equation
462,441.05 : 637,587.93 = 353,678.81 : x - Step 2: Convert to fraction form
462,441.05/637,587.93 = 353,678.81/x - Step 3: Cross multiply
462,441.05x = 637,587.93 × 353,678.81 - Step 4: Simplify right side
462,441.05x = 225,501,337,164.82 - Step 5: Solve for x
x = 225,501,337,164.82/462,441.05 - Step 6: Final answer
x = 487,632.62
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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.