Finding the Fourth Proportional to 288,612.63, 398,027.52 and 181,192.68
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Solution
The fourth proportional to 288,612.63, 398,027.52 and 181,192.68 is: 249,883.98
Step by Step Solution
- Step 1: Write the proportion equation
288,612.63 : 398,027.52 = 181,192.68 : x - Step 2: Convert to fraction form
288,612.63/398,027.52 = 181,192.68/x - Step 3: Cross multiply
288,612.63x = 398,027.52 × 181,192.68 - Step 4: Simplify right side
288,612.63x = 72,119,673,062.55 - Step 5: Solve for x
x = 72,119,673,062.55/288,612.63 - Step 6: Final answer
x = 249,883.98
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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.