Finding the Fourth Proportional to 295,252.20, 442,878.30 and 206,605.80
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Solution
The fourth proportional to 295,252.20, 442,878.30 and 206,605.80 is: 309,908.70
Step by Step Solution
- Step 1: Write the proportion equation
295,252.20 : 442,878.30 = 206,605.80 : x - Step 2: Convert to fraction form
295,252.20/442,878.30 = 206,605.80/x - Step 3: Cross multiply
295,252.20x = 442,878.30 × 206,605.80 - Step 4: Simplify right side
295,252.20x = 91,501,225,474.14 - Step 5: Solve for x
x = 91,501,225,474.14/295,252.20 - Step 6: Final answer
x = 309,908.70
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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.