Finding the Fourth Proportional to 309,596.61, 464,395.41 and 84,960.12
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Solution
The fourth proportional to 309,596.61, 464,395.41 and 84,960.12 is: 127,440.32
Step by Step Solution
- Step 1: Write the proportion equation
309,596.61 : 464,395.41 = 84,960.12 : x - Step 2: Convert to fraction form
309,596.61/464,395.41 = 84,960.12/x - Step 3: Cross multiply
309,596.61x = 464,395.41 × 84,960.12 - Step 4: Simplify right side
309,596.61x = 39,455,089,761.05 - Step 5: Solve for x
x = 39,455,089,761.05/309,596.61 - Step 6: Final answer
x = 127,440.32
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1.5x scale
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.