Finding the Fourth Proportional to 418,535.12, 577,566.60 and 227,544.08
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Solution
The fourth proportional to 418,535.12, 577,566.60 and 227,544.08 is: 314,004.38
Step by Step Solution
- Step 1: Write the proportion equation
418,535.12 : 577,566.60 = 227,544.08 : x - Step 2: Convert to fraction form
418,535.12/577,566.60 = 227,544.08/x - Step 3: Cross multiply
418,535.12x = 577,566.60 × 227,544.08 - Step 4: Simplify right side
418,535.12x = 131,421,860,635.73 - Step 5: Solve for x
x = 131,421,860,635.73/418,535.12 - Step 6: Final answer
x = 314,004.38
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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.