Finding the Fourth Proportional to 694,157.49, 1,041,334.98 and 214,426.05
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Solution
The fourth proportional to 694,157.49, 1,041,334.98 and 214,426.05 is: 321,669.58
Step by Step Solution
- Step 1: Write the proportion equation
694,157.49 : 1,041,334.98 = 214,426.05 : x - Step 2: Convert to fraction form
694,157.49/1,041,334.98 = 214,426.05/x - Step 3: Cross multiply
694,157.49x = 1,041,334.98 × 214,426.05 - Step 4: Simplify right side
694,157.49x = 223,289,346,488.23 - Step 5: Solve for x
x = 223,289,346,488.23/694,157.49 - Step 6: Final answer
x = 321,669.58
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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.