Finding the Fourth Proportional to 291,910.26, 438,029.43 and 158,799.84
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Solution
The fourth proportional to 291,910.26, 438,029.43 and 158,799.84 is: 238,289.00
Step by Step Solution
- Step 1: Write the proportion equation
291,910.26 : 438,029.43 = 158,799.84 : x - Step 2: Convert to fraction form
291,910.26/438,029.43 = 158,799.84/x - Step 3: Cross multiply
291,910.26x = 438,029.43 × 158,799.84 - Step 4: Simplify right side
291,910.26x = 69,559,003,399.29 - Step 5: Solve for x
x = 69,559,003,399.29/291,910.26 - Step 6: Final answer
x = 238,289.00
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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.