Finding the Fourth Proportional to 185,864.44, 278,936.87 and 86,094.63
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Solution
The fourth proportional to 185,864.44, 278,936.87 and 86,094.63 is: 129,206.89
Step by Step Solution
- Step 1: Write the proportion equation
185,864.44 : 278,936.87 = 86,094.63 : x - Step 2: Convert to fraction form
185,864.44/278,936.87 = 86,094.63/x - Step 3: Cross multiply
185,864.44x = 278,936.87 × 86,094.63 - Step 4: Simplify right side
185,864.44x = 24,014,966,185.54 - Step 5: Solve for x
x = 24,014,966,185.54/185,864.44 - Step 6: Final answer
x = 129,206.89
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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.