Finding the Fourth Proportional to 306,646.34, 459,937.14 and 82,029.44
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Solution
The fourth proportional to 306,646.34, 459,937.14 and 82,029.44 is: 123,035.50
Step by Step Solution
- Step 1: Write the proportion equation
306,646.34 : 459,937.14 = 82,029.44 : x - Step 2: Convert to fraction form
306,646.34/459,937.14 = 82,029.44/x - Step 3: Cross multiply
306,646.34x = 459,937.14 × 82,029.44 - Step 4: Simplify right side
306,646.34x = 37,728,386,029.40 - Step 5: Solve for x
x = 37,728,386,029.40/306,646.34 - Step 6: Final answer
x = 123,035.50
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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.