Finding the Fourth Proportional to 307,812.24, 461,864.64 and 213,188.04
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Solution
The fourth proportional to 307,812.24, 461,864.64 and 213,188.04 is: 319,883.37
Step by Step Solution
- Step 1: Write the proportion equation
307,812.24 : 461,864.64 = 213,188.04 : x - Step 2: Convert to fraction form
307,812.24/461,864.64 = 213,188.04/x - Step 3: Cross multiply
307,812.24x = 461,864.64 × 213,188.04 - Step 4: Simplify right side
307,812.24x = 98,464,017,346.91 - Step 5: Solve for x
x = 98,464,017,346.91/307,812.24 - Step 6: Final answer
x = 319,883.37
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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.