Finding the Fourth Proportional to 202,263.04, 279,005.15 and 129,640.06
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Solution
The fourth proportional to 202,263.04, 279,005.15 and 129,640.06 is: 178,827.75
Step by Step Solution
- Step 1: Write the proportion equation
202,263.04 : 279,005.15 = 129,640.06 : x - Step 2: Convert to fraction form
202,263.04/279,005.15 = 129,640.06/x - Step 3: Cross multiply
202,263.04x = 279,005.15 × 129,640.06 - Step 4: Simplify right side
202,263.04x = 36,170,244,386.31 - Step 5: Solve for x
x = 36,170,244,386.31/202,263.04 - Step 6: Final answer
x = 178,827.75
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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.