Finding the Fourth Proportional to 210,090.46, 315,042.73 and 60,295.99
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Solution
The fourth proportional to 210,090.46, 315,042.73 and 60,295.99 is: 90,417.31
Step by Step Solution
- Step 1: Write the proportion equation
210,090.46 : 315,042.73 = 60,295.99 : x - Step 2: Convert to fraction form
210,090.46/315,042.73 = 60,295.99/x - Step 3: Cross multiply
210,090.46x = 315,042.73 × 60,295.99 - Step 4: Simplify right side
210,090.46x = 18,995,813,297.65 - Step 5: Solve for x
x = 18,995,813,297.65/210,090.46 - Step 6: Final answer
x = 90,417.31
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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.