Finding the Fourth Proportional to 358,949.40, 495,349.14 and 197,804.40
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Solution
The fourth proportional to 358,949.40, 495,349.14 and 197,804.40 is: 272,969.50
Step by Step Solution
- Step 1: Write the proportion equation
358,949.40 : 495,349.14 = 197,804.40 : x - Step 2: Convert to fraction form
358,949.40/495,349.14 = 197,804.40/x - Step 3: Cross multiply
358,949.40x = 495,349.14 × 197,804.40 - Step 4: Simplify right side
358,949.40x = 97,982,239,428.22 - Step 5: Solve for x
x = 97,982,239,428.22/358,949.40 - Step 6: Final answer
x = 272,969.50
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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.