Finding the Fourth Proportional to 486,929.44, 671,964.74 and 266,171.23
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Solution
The fourth proportional to 486,929.44, 671,964.74 and 266,171.23 is: 367,317.45
Step by Step Solution
- Step 1: Write the proportion equation
486,929.44 : 671,964.74 = 266,171.23 : x - Step 2: Convert to fraction form
486,929.44/671,964.74 = 266,171.23/x - Step 3: Cross multiply
486,929.44x = 671,964.74 × 266,171.23 - Step 4: Simplify right side
486,929.44x = 178,857,679,760.02 - Step 5: Solve for x
x = 178,857,679,760.02/486,929.44 - Step 6: Final answer
x = 367,317.45
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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.