Finding the Fourth Proportional to 447,555.43, 671,394.98 and 143,958.12
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Solution
The fourth proportional to 447,555.43, 671,394.98 and 143,958.12 is: 215,957.07
Step by Step Solution
- Step 1: Write the proportion equation
447,555.43 : 671,394.98 = 143,958.12 : x - Step 2: Convert to fraction form
447,555.43/671,394.98 = 143,958.12/x - Step 3: Cross multiply
447,555.43x = 671,394.98 × 143,958.12 - Step 4: Simplify right side
447,555.43x = 96,652,759,098.24 - Step 5: Solve for x
x = 96,652,759,098.24/447,555.43 - Step 6: Final answer
x = 215,957.07
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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.