Finding the Fourth Proportional to 202,848.71, 279,909.68 and 112,190.27
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Solution
The fourth proportional to 202,848.71, 279,909.68 and 112,190.27 is: 154,810.65
Step by Step Solution
- Step 1: Write the proportion equation
202,848.71 : 279,909.68 = 112,190.27 : x - Step 2: Convert to fraction form
202,848.71/279,909.68 = 112,190.27/x - Step 3: Cross multiply
202,848.71x = 279,909.68 × 112,190.27 - Step 4: Simplify right side
202,848.71x = 31,403,140,614.31 - Step 5: Solve for x
x = 31,403,140,614.31/202,848.71 - Step 6: Final answer
x = 154,810.65
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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.