Finding the Fourth Proportional to 202,685.24, 279,637.44 and 131,155.76
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Solution
The fourth proportional to 202,685.24, 279,637.44 and 131,155.76 is: 180,950.82
Step by Step Solution
- Step 1: Write the proportion equation
202,685.24 : 279,637.44 = 131,155.76 : x - Step 2: Convert to fraction form
202,685.24/279,637.44 = 131,155.76/x - Step 3: Cross multiply
202,685.24x = 279,637.44 × 131,155.76 - Step 4: Simplify right side
202,685.24x = 36,676,060,967.65 - Step 5: Solve for x
x = 36,676,060,967.65/202,685.24 - Step 6: Final answer
x = 180,950.82
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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.