Finding the Fourth Proportional to 299,140.12, 448,613.06 and 99,406.84
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Solution
The fourth proportional to 299,140.12, 448,613.06 and 99,406.84 is: 149,077.99
Step by Step Solution
- Step 1: Write the proportion equation
299,140.12 : 448,613.06 = 99,406.84 : x - Step 2: Convert to fraction form
299,140.12/448,613.06 = 99,406.84/x - Step 3: Cross multiply
299,140.12x = 448,613.06 × 99,406.84 - Step 4: Simplify right side
299,140.12x = 44,595,206,677.33 - Step 5: Solve for x
x = 44,595,206,677.33/299,140.12 - Step 6: Final answer
x = 149,077.99
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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.