Finding the Fourth Proportional to 551,922.30, 827,883.45 and 286,201.80
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Solution
The fourth proportional to 551,922.30, 827,883.45 and 286,201.80 is: 429,302.70
Step by Step Solution
- Step 1: Write the proportion equation
551,922.30 : 827,883.45 = 286,201.80 : x - Step 2: Convert to fraction form
551,922.30/827,883.45 = 286,201.80/x - Step 3: Cross multiply
551,922.30x = 827,883.45 × 286,201.80 - Step 4: Simplify right side
551,922.30x = 236,941,733,580.21 - Step 5: Solve for x
x = 236,941,733,580.21/551,922.30 - Step 6: Final answer
x = 429,302.70
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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.