Finding the Fourth Proportional to 206,384.74, 309,577.44 and 56,627.08
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Solution
The fourth proportional to 206,384.74, 309,577.44 and 56,627.08 is: 84,940.71
Step by Step Solution
- Step 1: Write the proportion equation
206,384.74 : 309,577.44 = 56,627.08 : x - Step 2: Convert to fraction form
206,384.74/309,577.44 = 56,627.08/x - Step 3: Cross multiply
206,384.74x = 309,577.44 × 56,627.08 - Step 4: Simplify right side
206,384.74x = 17,530,466,461.08 - Step 5: Solve for x
x = 17,530,466,461.08/206,384.74 - Step 6: Final answer
x = 84,940.71
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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.