Finding the Fourth Proportional to 185,833.48, 256,452.96 and 105,259
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Solution
The fourth proportional to 185,833.48, 256,452.96 and 105,259 is: 145,258.98
Step by Step Solution
- Step 1: Write the proportion equation
185,833.48 : 256,452.96 = 105,259 : x - Step 2: Convert to fraction form
185,833.48/256,452.96 = 105,259/x - Step 3: Cross multiply
185,833.48x = 256,452.96 × 105,259 - Step 4: Simplify right side
185,833.48x = 26,993,982,116.64 - Step 5: Solve for x
x = 26,993,982,116.64/185,833.48 - Step 6: Final answer
x = 145,258.98
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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.