Finding the Fourth Proportional to 309,395.08, 464,092.98 and 84,757.44
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Solution
The fourth proportional to 309,395.08, 464,092.98 and 84,757.44 is: 127,136.26
Step by Step Solution
- Step 1: Write the proportion equation
309,395.08 : 464,092.98 = 84,757.44 : x - Step 2: Convert to fraction form
309,395.08/464,092.98 = 84,757.44/x - Step 3: Cross multiply
309,395.08x = 464,092.98 × 84,757.44 - Step 4: Simplify right side
309,395.08x = 39,335,331,718.76 - Step 5: Solve for x
x = 39,335,331,718.76/309,395.08 - Step 6: Final answer
x = 127,136.26
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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.