Finding the Fourth Proportional to 418,168.27, 577,036.36 and 231,905.71
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Solution
The fourth proportional to 418,168.27, 577,036.36 and 231,905.71 is: 320,009.99
Step by Step Solution
- Step 1: Write the proportion equation
418,168.27 : 577,036.36 = 231,905.71 : x - Step 2: Convert to fraction form
418,168.27/577,036.36 = 231,905.71/x - Step 3: Cross multiply
418,168.27x = 577,036.36 × 231,905.71 - Step 4: Simplify right side
418,168.27x = 133,818,025,602.09 - Step 5: Solve for x
x = 133,818,025,602.09/418,168.27 - Step 6: Final answer
x = 320,009.99
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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.