Finding the Fourth Proportional to 185,896.08, 278,615.64 and 85,921.08
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Solution
The fourth proportional to 185,896.08, 278,615.64 and 85,921.08 is: 128,776.02
Step by Step Solution
- Step 1: Write the proportion equation
185,896.08 : 278,615.64 = 85,921.08 : x - Step 2: Convert to fraction form
185,896.08/278,615.64 = 85,921.08/x - Step 3: Cross multiply
185,896.08x = 278,615.64 × 85,921.08 - Step 4: Simplify right side
185,896.08x = 23,938,956,693.69 - Step 5: Solve for x
x = 23,938,956,693.69/185,896.08 - Step 6: Final answer
x = 128,776.02
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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.