Finding the Fourth Proportional to 299,135.15, 448,328.53 and 149,417.23
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Solution
The fourth proportional to 299,135.15, 448,328.53 and 149,417.23 is: 223,938.94
Step by Step Solution
- Step 1: Write the proportion equation
299,135.15 : 448,328.53 = 149,417.23 : x - Step 2: Convert to fraction form
299,135.15/448,328.53 = 149,417.23/x - Step 3: Cross multiply
299,135.15x = 448,328.53 × 149,417.23 - Step 4: Simplify right side
299,135.15x = 66,988,005,961.75 - Step 5: Solve for x
x = 66,988,005,961.75/299,135.15 - Step 6: Final answer
x = 223,938.94
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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.