Finding the Fourth Proportional to 481,435.88, 664,402.18 and 266,575.76
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Solution
The fourth proportional to 481,435.88, 664,402.18 and 266,575.76 is: 367,885.99
Step by Step Solution
- Step 1: Write the proportion equation
481,435.88 : 664,402.18 = 266,575.76 : x - Step 2: Convert to fraction form
481,435.88/664,402.18 = 266,575.76/x - Step 3: Cross multiply
481,435.88x = 664,402.18 × 266,575.76 - Step 4: Simplify right side
481,435.88x = 177,113,516,079.16 - Step 5: Solve for x
x = 177,113,516,079.16/481,435.88 - Step 6: Final answer
x = 367,885.99
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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.