Finding the Fourth Proportional to 309,496.98, 464,214.38 and 84,880.02
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Solution
The fourth proportional to 309,496.98, 464,214.38 and 84,880.02 is: 127,311.50
Step by Step Solution
- Step 1: Write the proportion equation
309,496.98 : 464,214.38 = 84,880.02 : x - Step 2: Convert to fraction form
309,496.98/464,214.38 = 84,880.02/x - Step 3: Cross multiply
309,496.98x = 464,214.38 × 84,880.02 - Step 4: Simplify right side
309,496.98x = 39,402,525,858.69 - Step 5: Solve for x
x = 39,402,525,858.69/309,496.98 - Step 6: Final answer
x = 127,311.50
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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.