Finding the Fourth Proportional to 454,590.70, 681,889.48 and 201,803.24
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Solution
The fourth proportional to 454,590.70, 681,889.48 and 201,803.24 is: 302,706.39
Step by Step Solution
- Step 1: Write the proportion equation
454,590.70 : 681,889.48 = 201,803.24 : x - Step 2: Convert to fraction form
454,590.70/681,889.48 = 201,803.24/x - Step 3: Cross multiply
454,590.70x = 681,889.48 × 201,803.24 - Step 4: Simplify right side
454,590.70x = 137,607,507,586.13 - Step 5: Solve for x
x = 137,607,507,586.13/454,590.70 - Step 6: Final answer
x = 302,706.39
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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.