Finding the Fourth Proportional to 358,633.41, 494,914.05 and 197,488.07
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Solution
The fourth proportional to 358,633.41, 494,914.05 and 197,488.07 is: 272,533.50
Step by Step Solution
- Step 1: Write the proportion equation
358,633.41 : 494,914.05 = 197,488.07 : x - Step 2: Convert to fraction form
358,633.41/494,914.05 = 197,488.07/x - Step 3: Cross multiply
358,633.41x = 494,914.05 × 197,488.07 - Step 4: Simplify right side
358,633.41x = 97,739,618,075.81 - Step 5: Solve for x
x = 97,739,618,075.81/358,633.41 - Step 6: Final answer
x = 272,533.50
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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.