Finding the Fourth Proportional to 226,356.78, 312,354.07 and 130,869.63
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Solution
The fourth proportional to 226,356.78, 312,354.07 and 130,869.63 is: 180,589.51
Step by Step Solution
- Step 1: Write the proportion equation
226,356.78 : 312,354.07 = 130,869.63 : x - Step 2: Convert to fraction form
226,356.78/312,354.07 = 130,869.63/x - Step 3: Cross multiply
226,356.78x = 312,354.07 × 130,869.63 - Step 4: Simplify right side
226,356.78x = 40,877,659,353.78 - Step 5: Solve for x
x = 40,877,659,353.78/226,356.78 - Step 6: Final answer
x = 180,589.51
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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.