Finding the Fourth Proportional to 387,657.08, 581,845.44 and 198,252.80
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Solution
The fourth proportional to 387,657.08, 581,845.44 and 198,252.80 is: 297,563.22
Step by Step Solution
- Step 1: Write the proportion equation
387,657.08 : 581,845.44 = 198,252.80 : x - Step 2: Convert to fraction form
387,657.08/581,845.44 = 198,252.80/x - Step 3: Cross multiply
387,657.08x = 581,845.44 × 198,252.80 - Step 4: Simplify right side
387,657.08x = 115,352,487,647.23 - Step 5: Solve for x
x = 115,352,487,647.23/387,657.08 - Step 6: Final answer
x = 297,563.22
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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.