Finding the Fourth Proportional to 185,616.60, 278,497.80 and 73,277.70
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Solution
The fourth proportional to 185,616.60, 278,497.80 and 73,277.70 is: 109,945.33
Step by Step Solution
- Step 1: Write the proportion equation
185,616.60 : 278,497.80 = 73,277.70 : x - Step 2: Convert to fraction form
185,616.60/278,497.80 = 73,277.70/x - Step 3: Cross multiply
185,616.60x = 278,497.80 × 73,277.70 - Step 4: Simplify right side
185,616.60x = 20,407,678,239.06 - Step 5: Solve for x
x = 20,407,678,239.06/185,616.60 - Step 6: Final answer
x = 109,945.33
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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.