Finding the Fourth Proportional to 252,829.65, 348,901.36 and 138,106.92
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Solution
The fourth proportional to 252,829.65, 348,901.36 and 138,106.92 is: 190,585.61
Step by Step Solution
- Step 1: Write the proportion equation
252,829.65 : 348,901.36 = 138,106.92 : x - Step 2: Convert to fraction form
252,829.65/348,901.36 = 138,106.92/x - Step 3: Cross multiply
252,829.65x = 348,901.36 × 138,106.92 - Step 4: Simplify right side
252,829.65x = 48,185,693,176.52 - Step 5: Solve for x
x = 48,185,693,176.52/252,829.65 - Step 6: Final answer
x = 190,585.61
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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.