Finding the Fourth Proportional to 309,817.36, 464,133.57 and 209,485.09
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Solution
The fourth proportional to 309,817.36, 464,133.57 and 209,485.09 is: 313,827.03
Step by Step Solution
- Step 1: Write the proportion equation
309,817.36 : 464,133.57 = 209,485.09 : x - Step 2: Convert to fraction form
309,817.36/464,133.57 = 209,485.09/x - Step 3: Cross multiply
309,817.36x = 464,133.57 × 209,485.09 - Step 4: Simplify right side
309,817.36x = 97,229,062,683.47 - Step 5: Solve for x
x = 97,229,062,683.47/309,817.36 - Step 6: Final answer
x = 313,827.03
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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.