Finding the Fourth Proportional to 320,994.19, 481,490.11 and 96,353.65
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Solution
The fourth proportional to 320,994.19, 481,490.11 and 96,353.65 is: 144,530.12
Step by Step Solution
- Step 1: Write the proportion equation
320,994.19 : 481,490.11 = 96,353.65 : x - Step 2: Convert to fraction form
320,994.19/481,490.11 = 96,353.65/x - Step 3: Cross multiply
320,994.19x = 481,490.11 × 96,353.65 - Step 4: Simplify right side
320,994.19x = 46,393,329,537.40 - Step 5: Solve for x
x = 46,393,329,537.40/320,994.19 - Step 6: Final answer
x = 144,530.12
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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.