Finding the Fourth Proportional to 202,386.33, 279,541.13 and 151,626.06
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Solution
The fourth proportional to 202,386.33, 279,541.13 and 151,626.06 is: 209,429.75
Step by Step Solution
- Step 1: Write the proportion equation
202,386.33 : 279,541.13 = 151,626.06 : x - Step 2: Convert to fraction form
202,386.33/279,541.13 = 151,626.06/x - Step 3: Cross multiply
202,386.33x = 279,541.13 × 151,626.06 - Step 4: Simplify right side
202,386.33x = 42,385,719,391.72 - Step 5: Solve for x
x = 42,385,719,391.72/202,386.33 - Step 6: Final answer
x = 209,429.75
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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.