Finding the Fourth Proportional to 191,185.14, 286,777.68 and 91,041.71
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Solution
The fourth proportional to 191,185.14, 286,777.68 and 91,041.71 is: 136,562.54
Step by Step Solution
- Step 1: Write the proportion equation
191,185.14 : 286,777.68 = 91,041.71 : x - Step 2: Convert to fraction form
191,185.14/286,777.68 = 91,041.71/x - Step 3: Cross multiply
191,185.14x = 286,777.68 × 91,041.71 - Step 4: Simplify right side
191,185.14x = 26,108,728,943.14 - Step 5: Solve for x
x = 26,108,728,943.14/191,185.14 - Step 6: Final answer
x = 136,562.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.