Finding the Fourth Proportional to 385,647.40, 532,177.86 and 224,507.08
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Solution
The fourth proportional to 385,647.40, 532,177.86 and 224,507.08 is: 309,810.72
Step by Step Solution
- Step 1: Write the proportion equation
385,647.40 : 532,177.86 = 224,507.08 : x - Step 2: Convert to fraction form
385,647.40/532,177.86 = 224,507.08/x - Step 3: Cross multiply
385,647.40x = 532,177.86 × 224,507.08 - Step 4: Simplify right side
385,647.40x = 119,477,697,389.25 - Step 5: Solve for x
x = 119,477,697,389.25/385,647.40 - Step 6: Final answer
x = 309,810.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.