Finding the Fourth Proportional to 306,713.04, 423,283.36 and 185,864.92
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Solution
The fourth proportional to 306,713.04, 423,283.36 and 185,864.92 is: 256,505.32
Step by Step Solution
- Step 1: Write the proportion equation
306,713.04 : 423,283.36 = 185,864.92 : x - Step 2: Convert to fraction form
306,713.04/423,283.36 = 185,864.92/x - Step 3: Cross multiply
306,713.04x = 423,283.36 × 185,864.92 - Step 4: Simplify right side
306,713.04x = 78,673,527,843.73 - Step 5: Solve for x
x = 78,673,527,843.73/306,713.04 - Step 6: Final answer
x = 256,505.32
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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.