Finding the Fourth Proportional to 358,729.88, 495,069.68 and 197,584.88
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Solution
The fourth proportional to 358,729.88, 495,069.68 and 197,584.88 is: 272,679.50
Step by Step Solution
- Step 1: Write the proportion equation
358,729.88 : 495,069.68 = 197,584.88 : x - Step 2: Convert to fraction form
358,729.88/495,069.68 = 197,584.88/x - Step 3: Cross multiply
358,729.88x = 495,069.68 × 197,584.88 - Step 4: Simplify right side
358,729.88x = 97,818,281,333.05 - Step 5: Solve for x
x = 97,818,281,333.05/358,729.88 - Step 6: Final answer
x = 272,679.50
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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.