Finding the Fourth Proportional to 396,347.85, 594,522.18 and 185,985.99
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Solution
The fourth proportional to 396,347.85, 594,522.18 and 185,985.99 is: 278,979.18
Step by Step Solution
- Step 1: Write the proportion equation
396,347.85 : 594,522.18 = 185,985.99 : x - Step 2: Convert to fraction form
396,347.85/594,522.18 = 185,985.99/x - Step 3: Cross multiply
396,347.85x = 594,522.18 × 185,985.99 - Step 4: Simplify right side
396,347.85x = 110,572,796,224.26 - Step 5: Solve for x
x = 110,572,796,224.26/396,347.85 - Step 6: Final answer
x = 278,979.18
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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.