Finding the Fourth Proportional to 358,928.66, 495,332.10 and 197,794.09
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Solution
The fourth proportional to 358,928.66, 495,332.10 and 197,794.09 is: 272,961.66
Step by Step Solution
- Step 1: Write the proportion equation
358,928.66 : 495,332.10 = 197,794.09 : x - Step 2: Convert to fraction form
358,928.66/495,332.10 = 197,794.09/x - Step 3: Cross multiply
358,928.66x = 495,332.10 × 197,794.09 - Step 4: Simplify right side
358,928.66x = 97,973,761,967.29 - Step 5: Solve for x
x = 97,973,761,967.29/358,928.66 - Step 6: Final answer
x = 272,961.66
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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.