Finding the Fourth Proportional to 369,633.80, 554,450.70 and 346,305.80
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Solution
The fourth proportional to 369,633.80, 554,450.70 and 346,305.80 is: 519,458.70
Step by Step Solution
- Step 1: Write the proportion equation
369,633.80 : 554,450.70 = 346,305.80 : x - Step 2: Convert to fraction form
369,633.80/554,450.70 = 346,305.80/x - Step 3: Cross multiply
369,633.80x = 554,450.70 × 346,305.80 - Step 4: Simplify right side
369,633.80x = 192,009,493,224.06 - Step 5: Solve for x
x = 192,009,493,224.06/369,633.80 - Step 6: Final answer
x = 519,458.70
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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.