Finding the Fourth Proportional to 358,622.95, 494,899.68 and 197,477.62
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Solution
The fourth proportional to 358,622.95, 494,899.68 and 197,477.62 is: 272,519.11
Step by Step Solution
- Step 1: Write the proportion equation
358,622.95 : 494,899.68 = 197,477.62 : x - Step 2: Convert to fraction form
358,622.95/494,899.68 = 197,477.62/x - Step 3: Cross multiply
358,622.95x = 494,899.68 × 197,477.62 - Step 4: Simplify right side
358,622.95x = 97,731,608,782.24 - Step 5: Solve for x
x = 97,731,608,782.24/358,622.95 - Step 6: Final answer
x = 272,519.11
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1.5x scale
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.