Finding the Fourth Proportional to 202,587.20, 279,570.08 and 113,163.20
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Solution
The fourth proportional to 202,587.20, 279,570.08 and 113,163.20 is: 156,165.07
Step by Step Solution
- Step 1: Write the proportion equation
202,587.20 : 279,570.08 = 113,163.20 : x - Step 2: Convert to fraction form
202,587.20/279,570.08 = 113,163.20/x - Step 3: Cross multiply
202,587.20x = 279,570.08 × 113,163.20 - Step 4: Simplify right side
202,587.20x = 31,637,044,877.06 - Step 5: Solve for x
x = 31,637,044,877.06/202,587.20 - Step 6: Final answer
x = 156,165.07
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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.