Finding the Fourth Proportional to 540,699.84, 746,157.99 and 298,977.09
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Solution
The fourth proportional to 540,699.84, 746,157.99 and 298,977.09 is: 412,584.08
Step by Step Solution
- Step 1: Write the proportion equation
540,699.84 : 746,157.99 = 298,977.09 : x - Step 2: Convert to fraction form
540,699.84/746,157.99 = 298,977.09/x - Step 3: Cross multiply
540,699.84x = 746,157.99 × 298,977.09 - Step 4: Simplify right side
540,699.84x = 223,084,144,530.45 - Step 5: Solve for x
x = 223,084,144,530.45/540,699.84 - Step 6: Final answer
x = 412,584.08
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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.