Finding the Fourth Proportional to 418,351.84, 577,329.36 and 227,365.72
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Solution
The fourth proportional to 418,351.84, 577,329.36 and 227,365.72 is: 313,766.77
Step by Step Solution
- Step 1: Write the proportion equation
418,351.84 : 577,329.36 = 227,365.72 : x - Step 2: Convert to fraction form
418,351.84/577,329.36 = 227,365.72/x - Step 3: Cross multiply
418,351.84x = 577,329.36 × 227,365.72 - Step 4: Simplify right side
418,351.84x = 131,264,905,613.54 - Step 5: Solve for x
x = 131,264,905,613.54/418,351.84 - Step 6: Final answer
x = 313,766.77
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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.