Finding the Fourth Proportional to 386,479.08, 533,368.44 and 214,452.09
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Solution
The fourth proportional to 386,479.08, 533,368.44 and 214,452.09 is: 295,959.04
Step by Step Solution
- Step 1: Write the proportion equation
386,479.08 : 533,368.44 = 214,452.09 : x - Step 2: Convert to fraction form
386,479.08/533,368.44 = 214,452.09/x - Step 3: Cross multiply
386,479.08x = 533,368.44 × 214,452.09 - Step 4: Simplify right side
386,479.08x = 114,381,976,698.04 - Step 5: Solve for x
x = 114,381,976,698.04/386,479.08 - Step 6: Final answer
x = 295,959.04
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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.