Finding the Fourth Proportional to 358,919.54, 495,319.39 and 197,784.99
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Solution
The fourth proportional to 358,919.54, 495,319.39 and 197,784.99 is: 272,949.03
Step by Step Solution
- Step 1: Write the proportion equation
358,919.54 : 495,319.39 = 197,784.99 : x - Step 2: Convert to fraction form
358,919.54/495,319.39 = 197,784.99/x - Step 3: Cross multiply
358,919.54x = 495,319.39 × 197,784.99 - Step 4: Simplify right side
358,919.54x = 97,966,740,937.90 - Step 5: Solve for x
x = 97,966,740,937.90/358,919.54 - Step 6: Final answer
x = 272,949.03
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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.