Finding the Fourth Proportional to 202,908.16, 280,110.90 and 135,038.08
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Solution
The fourth proportional to 202,908.16, 280,110.90 and 135,038.08 is: 186,417.53
Step by Step Solution
- Step 1: Write the proportion equation
202,908.16 : 280,110.90 = 135,038.08 : x - Step 2: Convert to fraction form
202,908.16/280,110.90 = 135,038.08/x - Step 3: Cross multiply
202,908.16x = 280,110.90 × 135,038.08 - Step 4: Simplify right side
202,908.16x = 37,825,638,123.07 - Step 5: Solve for x
x = 37,825,638,123.07/202,908.16 - Step 6: Final answer
x = 186,417.53
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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.