Finding the Fourth Proportional to 202,795.65, 279,852.71 and 112,149.09
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Solution
The fourth proportional to 202,795.65, 279,852.71 and 112,149.09 is: 154,762.82
Step by Step Solution
- Step 1: Write the proportion equation
202,795.65 : 279,852.71 = 112,149.09 : x - Step 2: Convert to fraction form
202,795.65/279,852.71 = 112,149.09/x - Step 3: Cross multiply
202,795.65x = 279,852.71 × 112,149.09 - Step 4: Simplify right side
202,795.65x = 31,385,226,199.79 - Step 5: Solve for x
x = 31,385,226,199.79/202,795.65 - Step 6: Final answer
x = 154,762.82
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1.5x scale
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.