Finding the Fourth Proportional to 680,858.54, 1,021,422.21 and 201,094.53
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Solution
The fourth proportional to 680,858.54, 1,021,422.21 and 201,094.53 is: 301,681.49
Step by Step Solution
- Step 1: Write the proportion equation
680,858.54 : 1,021,422.21 = 201,094.53 : x - Step 2: Convert to fraction form
680,858.54/1,021,422.21 = 201,094.53/x - Step 3: Cross multiply
680,858.54x = 1,021,422.21 × 201,094.53 - Step 4: Simplify right side
680,858.54x = 205,402,419,251.51 - Step 5: Solve for x
x = 205,402,419,251.51/680,858.54 - Step 6: Final answer
x = 301,681.49
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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.