Finding the Fourth Proportional to 358,984.13, 495,395.55 and 197,839.31
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Solution
The fourth proportional to 358,984.13, 495,395.55 and 197,839.31 is: 273,016.84
Step by Step Solution
- Step 1: Write the proportion equation
358,984.13 : 495,395.55 = 197,839.31 : x - Step 2: Convert to fraction form
358,984.13/495,395.55 = 197,839.31/x - Step 3: Cross multiply
358,984.13x = 495,395.55 × 197,839.31 - Step 4: Simplify right side
358,984.13x = 98,008,711,312.09 - Step 5: Solve for x
x = 98,008,711,312.09/358,984.13 - Step 6: Final answer
x = 273,016.84
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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.