Finding the Fourth Proportional to 293,903.80, 440,855.70 and 146,447.80
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Solution
The fourth proportional to 293,903.80, 440,855.70 and 146,447.80 is: 219,671.70
Step by Step Solution
- Step 1: Write the proportion equation
293,903.80 : 440,855.70 = 146,447.80 : x - Step 2: Convert to fraction form
293,903.80/440,855.70 = 146,447.80/x - Step 3: Cross multiply
293,903.80x = 440,855.70 × 146,447.80 - Step 4: Simplify right side
293,903.80x = 64,562,347,382.46 - Step 5: Solve for x
x = 64,562,347,382.46/293,903.80 - Step 6: Final answer
x = 219,671.70
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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.