Finding the Fourth Proportional to 329,444.20, 454,630.08 and 186,203.80
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Solution
The fourth proportional to 329,444.20, 454,630.08 and 186,203.80 is: 256,959.60
Step by Step Solution
- Step 1: Write the proportion equation
329,444.20 : 454,630.08 = 186,203.80 : x - Step 2: Convert to fraction form
329,444.20/454,630.08 = 186,203.80/x - Step 3: Cross multiply
329,444.20x = 454,630.08 × 186,203.80 - Step 4: Simplify right side
329,444.20x = 84,653,848,490.30 - Step 5: Solve for x
x = 84,653,848,490.30/329,444.20 - Step 6: Final answer
x = 256,959.60
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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.