Finding the Fourth Proportional to 418,270.84, 577,216.93 and 227,285.26
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Solution
The fourth proportional to 418,270.84, 577,216.93 and 227,285.26 is: 313,655.38
Step by Step Solution
- Step 1: Write the proportion equation
418,270.84 : 577,216.93 = 227,285.26 : x - Step 2: Convert to fraction form
418,270.84/577,216.93 = 227,285.26/x - Step 3: Cross multiply
418,270.84x = 577,216.93 × 227,285.26 - Step 4: Simplify right side
418,270.84x = 131,192,897,125.37 - Step 5: Solve for x
x = 131,192,897,125.37/418,270.84 - Step 6: Final answer
x = 313,655.38
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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.