Finding the Fourth Proportional to 358,768.21, 495,097.81 and 197,619.52
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Solution
The fourth proportional to 358,768.21, 495,097.81 and 197,619.52 is: 272,713.66
Step by Step Solution
- Step 1: Write the proportion equation
358,768.21 : 495,097.81 = 197,619.52 : x - Step 2: Convert to fraction form
358,768.21/495,097.81 = 197,619.52/x - Step 3: Cross multiply
358,768.21x = 495,097.81 × 197,619.52 - Step 4: Simplify right side
358,768.21x = 97,840,991,565.25 - Step 5: Solve for x
x = 97,840,991,565.25/358,768.21 - Step 6: Final answer
x = 272,713.66
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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.