Finding the Fourth Proportional to 418,679.44, 577,772.14 and 227,688.76
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Solution
The fourth proportional to 418,679.44, 577,772.14 and 227,688.76 is: 314,207.50
Step by Step Solution
- Step 1: Write the proportion equation
418,679.44 : 577,772.14 = 227,688.76 : x - Step 2: Convert to fraction form
418,679.44/577,772.14 = 227,688.76/x - Step 3: Cross multiply
418,679.44x = 577,772.14 × 227,688.76 - Step 4: Simplify right side
418,679.44x = 131,552,222,119.15 - Step 5: Solve for x
x = 131,552,222,119.15/418,679.44 - Step 6: Final answer
x = 314,207.50
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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.