Finding the Fourth Proportional to 418,365.88, 577,344.98 and 227,379.29
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Solution
The fourth proportional to 418,365.88, 577,344.98 and 227,379.29 is: 313,783.45
Step by Step Solution
- Step 1: Write the proportion equation
418,365.88 : 577,344.98 = 227,379.29 : x - Step 2: Convert to fraction form
418,365.88/577,344.98 = 227,379.29/x - Step 3: Cross multiply
418,365.88x = 577,344.98 × 227,379.29 - Step 4: Simplify right side
418,365.88x = 131,276,289,319.19 - Step 5: Solve for x
x = 131,276,289,319.19/418,365.88 - Step 6: Final answer
x = 313,783.45
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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.