Finding the Fourth Proportional to 611,044.22, 916,347.62 and 211,577.74
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Solution
The fourth proportional to 611,044.22, 916,347.62 and 211,577.74 is: 317,290.88
Step by Step Solution
- Step 1: Write the proportion equation
611,044.22 : 916,347.62 = 211,577.74 : x - Step 2: Convert to fraction form
611,044.22/916,347.62 = 211,577.74/x - Step 3: Cross multiply
611,044.22x = 916,347.62 × 211,577.74 - Step 4: Simplify right side
611,044.22x = 193,878,758,493.98 - Step 5: Solve for x
x = 193,878,758,493.98/611,044.22 - Step 6: Final answer
x = 317,290.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.