Finding the Fourth Proportional to 329,450.98, 493,837.08 and 129,690.40
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Solution
The fourth proportional to 329,450.98, 493,837.08 and 129,690.40 is: 194,402.00
Step by Step Solution
- Step 1: Write the proportion equation
329,450.98 : 493,837.08 = 129,690.40 : x - Step 2: Convert to fraction form
329,450.98/493,837.08 = 129,690.40/x - Step 3: Cross multiply
329,450.98x = 493,837.08 × 129,690.40 - Step 4: Simplify right side
329,450.98x = 64,045,928,440.03 - Step 5: Solve for x
x = 64,045,928,440.03/329,450.98 - Step 6: Final answer
x = 194,402.00
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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.