Finding the Fourth Proportional to 322,336.68, 444,465.90 and 220,378.68
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Solution
The fourth proportional to 322,336.68, 444,465.90 and 220,378.68 is: 303,877.33
Step by Step Solution
- Step 1: Write the proportion equation
322,336.68 : 444,465.90 = 220,378.68 : x - Step 2: Convert to fraction form
322,336.68/444,465.90 = 220,378.68/x - Step 3: Cross multiply
322,336.68x = 444,465.90 × 220,378.68 - Step 4: Simplify right side
322,336.68x = 97,950,808,347.01 - Step 5: Solve for x
x = 97,950,808,347.01/322,336.68 - Step 6: Final answer
x = 303,877.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.