Finding the Fourth Proportional to 358,729.99, 495,069.81 and 197,584.99
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Solution
The fourth proportional to 358,729.99, 495,069.81 and 197,584.99 is: 272,679.64
Step by Step Solution
- Step 1: Write the proportion equation
358,729.99 : 495,069.81 = 197,584.99 : x - Step 2: Convert to fraction form
358,729.99/495,069.81 = 197,584.99/x - Step 3: Cross multiply
358,729.99x = 495,069.81 × 197,584.99 - Step 4: Simplify right side
358,729.99x = 97,818,363,458.15 - Step 5: Solve for x
x = 97,818,363,458.15/358,729.99 - Step 6: Final answer
x = 272,679.64
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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.