Finding the Fourth Proportional to 202,875.23, 279,976.06 and 112,229.63
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Solution
The fourth proportional to 202,875.23, 279,976.06 and 112,229.63 is: 154,881.45
Step by Step Solution
- Step 1: Write the proportion equation
202,875.23 : 279,976.06 = 112,229.63 : x - Step 2: Convert to fraction form
202,875.23/279,976.06 = 112,229.63/x - Step 3: Cross multiply
202,875.23x = 279,976.06 × 112,229.63 - Step 4: Simplify right side
202,875.23x = 31,421,609,622.66 - Step 5: Solve for x
x = 31,421,609,622.66/202,875.23 - Step 6: Final answer
x = 154,881.45
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1.5x scale
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.