Finding the Fourth Proportional to 146,016.08, 201,502.48 and 78,948.08
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Solution
The fourth proportional to 146,016.08, 201,502.48 and 78,948.08 is: 108,948.51
Step by Step Solution
- Step 1: Write the proportion equation
146,016.08 : 201,502.48 = 78,948.08 : x - Step 2: Convert to fraction form
146,016.08/201,502.48 = 78,948.08/x - Step 3: Cross multiply
146,016.08x = 201,502.48 × 78,948.08 - Step 4: Simplify right side
146,016.08x = 15,908,233,911.24 - Step 5: Solve for x
x = 15,908,233,911.24/146,016.08 - Step 6: Final answer
x = 108,948.51
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1.5x scale
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.