Finding the Fourth Proportional to 324,866.31, 487,299.47 and 158,511.75
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Solution
The fourth proportional to 324,866.31, 487,299.47 and 158,511.75 is: 237,767.63
Step by Step Solution
- Step 1: Write the proportion equation
324,866.31 : 487,299.47 = 158,511.75 : x - Step 2: Convert to fraction form
324,866.31/487,299.47 = 158,511.75/x - Step 3: Cross multiply
324,866.31x = 487,299.47 × 158,511.75 - Step 4: Simplify right side
324,866.31x = 77,242,690,971.21 - Step 5: Solve for x
x = 77,242,690,971.21/324,866.31 - Step 6: Final answer
x = 237,767.63
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1.5x scale
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.