Finding the Fourth Proportional to 369,105.80, 553,658.70 and 322,449.80
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Solution
The fourth proportional to 369,105.80, 553,658.70 and 322,449.80 is: 483,674.70
Step by Step Solution
- Step 1: Write the proportion equation
369,105.80 : 553,658.70 = 322,449.80 : x - Step 2: Convert to fraction form
369,105.80/553,658.70 = 322,449.80/x - Step 3: Cross multiply
369,105.80x = 553,658.70 × 322,449.80 - Step 4: Simplify right side
369,105.80x = 178,527,137,083.26 - Step 5: Solve for x
x = 178,527,137,083.26/369,105.80 - Step 6: Final answer
x = 483,674.70
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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.