Finding the Fourth Proportional to 258,213.59, 356,014.36 and 171,983.62
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Solution
The fourth proportional to 258,213.59, 356,014.36 and 171,983.62 is: 237,124.00
Step by Step Solution
- Step 1: Write the proportion equation
258,213.59 : 356,014.36 = 171,983.62 : x - Step 2: Convert to fraction form
258,213.59/356,014.36 = 171,983.62/x - Step 3: Cross multiply
258,213.59x = 356,014.36 × 171,983.62 - Step 4: Simplify right side
258,213.59x = 61,228,638,404.78 - Step 5: Solve for x
x = 61,228,638,404.78/258,213.59 - Step 6: Final answer
x = 237,124.00
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1.5x scale
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.